723 lines
29 KiB
Plaintext
723 lines
29 KiB
Plaintext
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UHARC 0.6b high compression multimedia archiver BETA version
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==============================================================================
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#### #### #### #### ######## ########### ##########
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#### #### #### #### #### #### #### #### ####
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############ #### #### #### #### #### #### ############
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########## #### #### #### #### #### #### ##########
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==============================================================================
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Copyright(c) 1997-2005 by Uwe Herklotz All rights reserved 01 Oct 2005
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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!!!!!! THIS IS A BETA VERSION AND MAY CONTAIN BUGS. USE THIS !!!!!!
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!!!!!! ARCHIVER AT YOUR OWN RISK. UWE HERKLOTZ, THE AUTHOR OF !!!!!!
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!!!!!! UHARC, WILL NOT TAKE ANY RESPONSIBILITY FOR ANY DAMAGE !!!!!!
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!!!!!! OR DATA LOSS CAUSED BY USING OR MISUSING THIS SOFTWARE. !!!!!!
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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===< 0. Contents >============================================================
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1. Introduction
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2. Usage
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2.1. Commands
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2.2. Switches
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2.3. Environment variable
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3. Examples
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4. History
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5. Legal info / Registration
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6. Contact info
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===< 1. Introduction >========================================================
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UHARC is a high performance file archiver. This package contains 7 files:
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LICENSE.DOC License information
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UHARC.EXE program version for Win32 systems
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UHARCD.EXE program version for Dos32 systems
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UHARCSFX.EXE Sfx-Stub for Win32 systems
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UHARC.DOC this documentation file
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UNUHARC.EXE free extraction program for Win32 systems
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UNUHARCD.EXE free extraction program for Dos32 systems
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What's new in version 0.6b ?
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- free extraction programs for Win32/Dos32 added - these programs can be
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used and distributed freely without any restrictions
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Note: UHARC 0.6b archives are compatible with v0.6 and v0.6a archives but
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NOT compatible with any previous version (version number < 0.6)!
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This program will run on any 386 or better computer. Memory requirements
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depend on selected compression mode. The number of files in one operation
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is only limited by available memory, however current version can't handle
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archives with more than 2 GB total unpacked size.
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===< 2. Usage >===============================================================
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Usage: UHARC command [-switch..] archive[.uha] [file..@listfile..!exclude..]
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Commands:
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~~~~~~~~~
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a Create archive/Add files e Extract files to current dir
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m Create archive/Move files x Extract files with full path
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l List files in archive t Test files in archive
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Switches:
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~~~~~~~~~
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ac[-,+] Clear file archive attr ae<attr> Set attr exclusion mask
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b<n> Set max filebuffer size bpb[-,+] bpb instead of % ratio
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d<0..2> Set display mode ed[-,+] Store empty directories
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idle Set idle process priority lg<file> Log output to <file>
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m<0..3,x,z> Set compression mode md<n> Set dictionary size
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mm[-,+] MM-detection on/off o[-,+,p] Set overwrite mode
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pw[passwd] Set password p<-,r,f> Set path handling
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r[-,+] Recurse subdirectories t<dir> Set extract target dir
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vm[-,+] Set virtual memory usage y[-,+] Assume yes on all queries
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* For commandline help type "UHARC" without any parameter.
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* The command character must be placed immediately after "UHARC".
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* The switches, if any, must follow the command character. UHARC supports
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the use of either "-" or "/" as the switch option character.
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* The UHARC archive name must be the first filename on the commandline.
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If there is no archive file extension specified, UHARC will add the
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default (".UHA") extension.
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* After the archive filename come the list of files for the given
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operation. One or more files containing a list of files to process
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can also be used by prefixing the list's filename with "@". It's
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possible to mix filenames and list files in any order. If a filename
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on commandline or in a list file has prefix "!", this means it will
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be excluded in processing. Allowed delimiters for filenames in list
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files are space, tab and newline. Filenames with spaces must be
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enclosed in double-quotes. The line size in list file must not
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exceed 4095 characters.
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* Filename wildcards are allowed in commandline and in list files,
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but not for archive filename. The use of wildcards follow MS-DOS
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convention. "*.*" means all files. "*.txt" means all files with an
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extension of ".TXT". "?B*.*" means all files with a second character
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of "B".
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* If there are no files specified at all, all files ("*.*") will be
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processed (use "-r" to recurse subdirectories).
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* UNUHARC versions have same commandline options like UHARC but support
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extraction and test commands only.
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---< 2.1. Commands >----------------------------------------------------------
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a Create archive and add matching files.
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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If a file with the archive name already exists, UHARC will ask
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before overwriting this file, unless you change the default
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overwrite mode or use "-y".
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Following switches have effect: ac ae b bpb d ed lg m md mm o p pw r y
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e Extract matching files to current directory.
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Stored pathnames will be ignored. Using the switch "-t", you can
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change the current directory for extracting.
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Following switches have effect: b d lg o pw t y
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l List matching files in archive.
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Using switch "-y", UHARC will not pause after one page, else you
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can use the following keys:
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ESCAPE = Cancel (quit program)
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TAB = Disable pause
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RETURN = Next line
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other keys = Next page
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Using switch "-d2", filenames are not shortened and more
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information are displayed.
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Following switches have effect: b bpb d lg pw y
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m Create archive and move matching files.
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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If a file with the archive name already exists, UHARC will ask
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before overwriting this file, unless you change the default
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overwrite mode or use "-y". If compression was successful, UHARC
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will delete matching files on disk (but no directories).
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Following switches have effect: ae b bpb d ed lg m md mm o p pw r y
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t Test integrity of ALL files in archive.
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Following switches have effect: b d lg pw y
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x Extract matching files with full pathnames.
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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UHARC will use the pathnames stored in archive for extraction (if
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the archive was created with option "-pf", this also includes drive
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letters). Using the switch "-t", you can select the root-directory
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for all extracted dirs/files.
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Following switches have effect: b d lg o pw t y
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Note: During all operations it's possible to terminate the process
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by pressing ESCAPE and answering the following question with
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"Y" (when listing files, there is no additional query).
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---< 2.2. Switches >----------------------------------------------------------
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-- Stop switches scanning
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~~~~~~~~~~~~~~~~~~~~~~
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This switch tells UHARC that there are no more switches to be
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processed. It's necessary if the archive name starts with a
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"-" character. Without "--" switch such name would be treated
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as a switch.
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-!<char> Set exclude mask specifier
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~~~~~~~~~~~~~~~~~~~~~~~~~~
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Defines the character that is used as exclude mask specifier.
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It should be used if a file name given in commandline or in
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list file starts with the default exclude mask character "!".
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If no character is given ("-!") then exclude mask processing
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will be disabled. This option should be used carefully.
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DEFAULT: -!!
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-@<char> Set list file specifier
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~~~~~~~~~~~~~~~~~~~~~~~
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Defines the character that is used as list file specifier.
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It should be used if a file name given in commandline or in
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list file starts with the default list file character "@".
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If no character is given ("-@") then list file processing
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will be disabled. This option should be used carefully.
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DEFAULT: -@@
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-ac[-,+] Clear file archive attribute
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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-ac[+] Clear archive attribute of files stored in archive.
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-ac- Don't clear archive attribute.
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If this option is enabled and compression was successful,
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UHARC will clear the archive attribute of all files which
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are stored in archive (directories are not affected).
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This option has effect with add command only.
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DEFAULT: -ac-
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-ae<attr> Set attribute exclusion filter
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Defines the filter for exclusion based on file attributes.
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Files are excluded if specified attributes are set "+" or
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cleared "-". File attributes are:
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"A" archive attribute
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"H" hidden file attribute
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"R" read-only attribute
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"S" system file attribute
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Example: switch "-aeA-H+" means that files with archive
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attribute cleared or hidden attribute set are not included
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in the processing list.
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This option has effect with add or move commands only.
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DEFAULT: not specified
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-b<n> Set maximum file buffer size (in KB).
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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After allocating all structures for (de)compression the
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remaining memory is used for file buffers, but never more
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than <n>. The minimum buffer size is 50 KB.
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DEFAULT: -b1024
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-bpb[-,+] Show bpb instead of % ratio
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~~~~~~~~~~~~~~~~~~~~~~~~~~~
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-bpb[+] Show compression ratio in bpb.
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-bpb- Show compression ratio in %.
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DEFAULT: -bpb-
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-d<0..2> Set display mode.
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~~~~~~~~~~~~~~~~~
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-d0 Quiet mode (no process information, except queries).
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-d1 Display some process information.
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-d2 Show more information (file info, verbose listing).
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DEFAULT: -d1
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-ed[-,+] Store empty directories
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~~~~~~~~~~~~~~~~~~~~~~~
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-ed[+] Store also empty directories.
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-ed- Don't store empty directories.
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This option has effect with add or move commands only.
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DEFAULT: -ed-
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-idle Set idle process priority (Win32 only)
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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This option forces UHARC to set its process in IDLE priority
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class, which means UHARC is executed as background task with
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only small effect on normal system operation (assumed there
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is enough memory available). This way UHARC can process very
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large data sets without blocking the system for long time.
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DEFAULT: not specified
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-lg<file> Log UHARC output to specified <file>.
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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If UHARC fails to open <file>, no log is created (without an
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error message). The display mode setting has effect on log,
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too.
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DEFAULT: no log file
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-m<0..3> Set compression mode.
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~~~~~~~~~~~~~~~~~~~~~
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-m0 Store files without compression.
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-m1 Use ALZ:1 (fast) compression mode.
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-m2 Use ALZ:2 (norm) compression mode.
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-m3 Use ALZ:3 (best) compression mode.
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-mx Use PPM compression mode.
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-mz Use LZP compression mode.
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ALZ uses advanced LZ77 compression algorithm with arithmetic
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entropy coder. "-m1" is the fastest ALZ mode, sacrificing
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compression ratio to gain better speed. Mode "-m3" achieves
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best compression and needs most time. "-m2" is a compromise
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ratio/speed and is used as default mode. The decompression
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speed is nearly the same for all ALZ modes and it is much
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faster than compression.
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PPM mode uses an order-4-2-1-0 model with preliminary LZP
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pass. In most cases this mode provides the best compression
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results.
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LZP mode uses the same dictionary compression as in PPM mode
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but with much simpler order-1-0 literal model.
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There are also two extra modes (may be not supported in
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future versions):
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-mr Use simple RLE compression.
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-mw Use LZ78 with selectable dictionary size.
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DEFAULT: -m2
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-md<n> Set maximum dictionary size (in KB).
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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If dictionary is disabled, this setting has no effect.
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Valid sizes:
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-m1..3,-mx,-mz n = power of 2 from 1 to 32768 or "a".."p"
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-mw n = power of 2 from 1 to 32 or "a".."f"
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A one-character shortcut can be used instead of size number,
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e.g. "-mda" instead of "-md1" or "-mdk" instead of "-md1024".
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Dictionary size selection:
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1. Using option "-md<n>", UHARC will never select a
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dictionary size greater than <n>. If "-md<n>" is not
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used, UHARC will try to use default dictionary (n=4096).
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2. If data stream size is smaller than <n>, UHARC will use
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the smallest dictionary size which is greater than the
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data stream.
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3. If there is not enough memory for current selection,
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UHARC will use the largest dictionary size which is
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possible with available memory.
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DEFAULT: -md4096
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-md[-,+] Disable/enable dictionary-based compression.
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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This has effect only with modes "-m1", "-m2", "-m3" and "-mx".
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-md[+] Enable dictionary-based compression.
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-md- Disable dictionary-based compression.
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Generally, it's NOT RECOMMENDED to disable dictionary-based
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compression. Without dictionary, the compression ratio is
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almost always worse. But for some data types (e.g. waveform
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sounds or photographic true-color pictures), the compression
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isn't affected much by dictionary. Using "-md-" in such cases
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will speed up the compression process considerably.
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If dictionary-based compression is disabled, there are nearly
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no differences between the three modes "-m1", "-m2" and "-m3".
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DEFAULT: -md+
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-mm[-,+] Disable/enable built-in multimedia detection/compression.
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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-mm[+] Enable multimedia detection/compression.
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-mm- Disable multimedia detection/compression.
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UHARC multimedia detection/compression supports many data
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types (8/16-bit mono/stereo waveforms, 24-bit true color
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pictures and many other types using 8/16/24/32-bit record
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sizes). It's also possible to detect multimedia-like data
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in other file types (e.g. in executables). Therefore it's
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NOT RECOMMENDED to disable multimedia detection/compression
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unless the user knows, that there is absolutely no chance
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to use multimedia compression (e.g. compressing text only).
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DEFAULT: -mm+
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-o[-,+,p] Set overwrite mode.
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~~~~~~~~~~~~~~~~~~~
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-op Prompt user before overwriting files.
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-o[+] Always overwrite files without asking.
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-o- Never overwrite existing files.
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Using -op with -y has the same effect as -o[+].
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If UHARC shows an overwrite query, the user can select one of
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the following options:
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"Y" Yes, overwrite current file.
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"N" No, don't overwrite current file.
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"A" Always Yes, overwrite current file and auto-answer
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all following overwrite queries with "Y".
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"C" Cancel, don't overwrite and quit process.
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DEFAULT: -op
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-p<-,r,f,e> Set path mode.
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~~~~~~~~~~~~~~
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-p- Store no paths (exclude paths from names).
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-pr Store relative paths.
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-pf Store full paths including drive letter.
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-pe Store relative paths but exclude all paths
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specified in commandline or in list file.
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Using option "-pr", paths are stored in relation with the
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current directory of each drive (drive letter isn't stored).
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With option "-pf" it's possible to backup data from different
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drives into one archive and restore all data correctly.
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Option "-pe" is the same as "-pr" but any path specified in
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commandline or list file is excluded from the path stored in
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archive.
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DEFAULT: -pr
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-ph[-,+] Archive header encryption
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~~~~~~~~~~~~~~~~~~~~~~~~~
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-ph[+] Encyrpt archive header.
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-ph- Don't encyrpt archive header.
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The archive header contains folder and file names, sizes etc.
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of the complete archive. If this header is encrypted then the
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correct password is needed even to read the archive content.
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DEFAULT: -ph+
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-pw[passwd] Set encryption password
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~~~~~~~~~~~~~~~~~~~~~~~
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-pw Request user to enter password.
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-pw<s> Use "s" as password.
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With switch "-pw" the user is requested to enter the password
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twice for safety reasons (input will not be echoed on screen).
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DEFAULT: not specified
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-px Pause before program exit
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~~~~~~~~~~~~~~~~~~~~~~~~~
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This switch tells UHARC to wait for a key stroke before exit.
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It could be useful if the console window will be closed
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automatically after program finish.
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-r[-,+] Set subdir recursion mode.
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~~~~~~~~~~~~~~~~~~~~~~~~~~
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-r[+] Recurse subdirectories.
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-r- Don't recurse subdirectories.
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If recursion is enabled, matching files are also searched
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in all subdirectories (regardless of directory names and
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attributes) of all specified directories (commandline and
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list files).
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DEFAULT: -r-
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-sfx[stub] Create self-extracting archive (Win32 version ONLY !).
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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With this option UHARC will create a self-extracting archive
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(SFX). A self-extracting archive is a Win32 executable with
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appended UHARC archive. Running a SFX archive without any
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options will extract ("x" command) the archive content to
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current directory. The SFX program supports "x", "e" and "t"
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commands for any UHARC archive (self-extracting and normal
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ones) with same command-line options as UHARC program. Other
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commands are not supported.
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[stub] is an optional parameter specifying the stub program
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used to create the SFX archive. By default stub UHARCSFX.EXE
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is used which must be located in current directory or in the
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directory where UHARC.EXE is running from.
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The SFX option is applicable only if new archive is created.
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The following DOS command can be used in order to transform
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an existing UHARC archive into SFX:
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COPY /B UHARCSFX.EXE+"archive.uha" "archive.exe"
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-t<dir> Set extract target directory.
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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UHARC will store all extracted files in directory <dir>.
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If <dir> doesn't already exist, UHARC will create it.
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Using this option with the "e" command, <dir> will be the
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'current directory' for extracting. Using this option with
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the "x" command, <dir> will be the root-directory for all
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extracted dirs/files.
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DEFAULT: not specified
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-vm[-,+] Set virtual memory usage
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~~~~~~~~~~~~~~~~~~~~~~~~
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-vm[+] Use virtual memory.
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-vm- Don't use virtual memory.
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With virtual memory usage disabled UHARC checks free physical
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memory at program start and will not use compression modes
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that require more memory. Proper work of this option is not
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guaranteed if it is used in multitasking systems.
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DEFAULT: -vm-
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-y[-,+] Set auto-answer mode.
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~~~~~~~~~~~~~~~~~~~~~
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-y[+] Assume YES on all queries.
|
|
-y- Don't auto-answer queries.
|
|
|
|
Using the option -y[+], all queries, except critical error
|
|
messages, don't appear on screen and are auto-answered
|
|
with "Y".
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|
|
|
DEFAULT: -y-
|
|
|
|
|
|
|
|
---< 2.3. Environment variable >----------------------------------------------
|
|
|
|
|
|
It's possible to define default options in the environment variable
|
|
"UHARC_OPT". Whenever UHARC is executed, it first looks for this
|
|
environment variable and parses the values of this variable like
|
|
commandline switches. Any arguments in the environment variable
|
|
can be overridden on the commandline.
|
|
|
|
Example:
|
|
~~~~~~~~
|
|
SET UHARC_OPT=-d2 -p- -lgc:\uharc.log
|
|
|
|
When UHARC is next executed, it will use verbose display mode,
|
|
store no paths and log all outputs to file "C:\UHARC.LOG" by default.
|
|
|
|
Note: If the environment variable contains a log file switch, it's
|
|
not possible to disable log file directly. Use instead the switch
|
|
"-lgNUL" on commandline. This overrides the default log file and
|
|
write all log outputs to the NUL file (effective no output).
|
|
|
|
|
|
|
|
===< 3. Examples >============================================================
|
|
|
|
|
|
1. UHARC a archive *.dll @c:\list *.exe
|
|
|
|
This will compress all "*.DLL", "*.EXE" and the files listed in the file
|
|
"C:\LIST" to the archive file "ARCHIVE.UHA" using the default compression
|
|
mode.
|
|
|
|
|
|
2. UHARC a -m3 -r -pf -o backup.arc c:\*.ini d:\*.ini c:\*.cfg d:\*.cfg
|
|
|
|
This will compress all "*.INI" and "*.CFG" files on drives "C:" and "D:"
|
|
to the archive file "BACKUP.ARC" using the ALZ:3 compression mode. UHARC
|
|
will store full paths including drive letter, so it will be possible
|
|
to restore all files on correct drives. If a file named "BACKUP.ARC"
|
|
already exists, UHARC will overwrite this file without asking.
|
|
|
|
|
|
3. UHARC m -mz -md64 -mm- -r text c:\text\*.txt
|
|
|
|
This will move all "*.TXT" files in "C:\TEXT\" and its subdirectories
|
|
to archive file "TEXT.UHA" using LZP mode with max 64K dictionary and
|
|
without multimedia detection/compression.
|
|
|
|
|
|
4. UHARC l -d2 -lguharc.lst archive a*.doc b*.doc
|
|
|
|
This will verbosely list all "*.DOC" files with a first character of
|
|
"A" or "B" in archive file "ARCHIVE.UHA" and log the output to file
|
|
"UHARC.LST".
|
|
|
|
|
|
5. UHARC x -y arc.uha
|
|
|
|
This will extract all files in archive "ARC.UHA" with full paths. All
|
|
queries, except critical error messages, will be auto-answered with YES,
|
|
so if one of the files already exists, UHARC will overwrite this file
|
|
without asking the user.
|
|
|
|
|
|
6. UHARC e -td:\temp archive readme.txt
|
|
|
|
This will extract the file "README.TXT" from archive "ARCHIVE.UHA" to
|
|
the directory "D:\TEMP\". If this directory doesn't already exist,
|
|
UHARC will create it.
|
|
|
|
|
|
7. UHARC e -o- sounds @mysounds.lst
|
|
|
|
This will extract all files listed in "MYSOUNDS.LST" from archive
|
|
"SOUNDS.UHA" to the current directory. UHARC will not overwrite
|
|
existing files.
|
|
|
|
|
|
8. UHARC t -d2 -lglog archive
|
|
|
|
This will test the integrity of all files in archive "ARCHIVE.UHA" and
|
|
log the verbose output to file "LOG".
|
|
|
|
|
|
9. UHARC a -m3 -r -sfx MyGame "Games\My Favourite Game\*.*"
|
|
|
|
This will compress the complete content of "Games\My Favourite Game\"
|
|
folder (including all subfolders) to the self-extracting archive file
|
|
"MyGame.exe" using the ALZ:3 compression mode.
|
|
Note: SFX and long file names are supported in Win32 version only!
|
|
|
|
|
|
|
|
===< 4. History >=============================================================
|
|
|
|
|
|
Date Version
|
|
~~~~ ~~~~~~~
|
|
01.10.2005 0.6b See chapter "Introduction".
|
|
|
|
06.02.2005 0.6a What's new in version 0.6a ?
|
|
- supports self-extracting archives (SFX / Win32 only)
|
|
- using again PMODE/W DOS Extender
|
|
|
|
19.12.2004 0.6 What's new in version 0.6 ?
|
|
- slightly improved compression (for PPM, ALZ and LZP)
|
|
- several bug fixes
|
|
|
|
15.10.2002 0.5 Intermediate non-public version.
|
|
|
|
28.12.2001 0.4 What's new in version 0.4 ?
|
|
- improved compression and new modes (PPM,LZP)
|
|
- improved built-in detection of multimedia data types
|
|
- support for long filenames (Win32 only)
|
|
- encryption of archives
|
|
- more archiver options (e.g. attribute filters or
|
|
exclusion masks)
|
|
- display output is written to stdout for better file
|
|
manager integration
|
|
- several bug fixes
|
|
|
|
05.03.2000 0.3 Intermediate non-public version.
|
|
|
|
21.12.1997 0.2 Initial public release.
|
|
|
|
26.06.1997 0.1 First working archiver version (still non-public).
|
|
|
|
|
|
|
|
===< 5. Legal info / Registration >===========================================
|
|
|
|
|
|
Disclaimer:
|
|
~~~~~~~~~~~
|
|
Uwe Herklotz, the author of UHARC, disclaims any liability for any damage
|
|
caused by using or misusing this software. The author cannot be held
|
|
responsible for data loss or other damages and any consequences from this
|
|
loss or damages.
|
|
|
|
!! U S E T H I S P R O G R A M A T Y O U R O W N R I S K !!
|
|
|
|
----------------------------------------------------------------------------
|
|
This software is Copyright(c) 1997-2005 by Uwe Herklotz. All rights reserved
|
|
----------------------------------------------------------------------------
|
|
|
|
UHARC is freeware for non-commercial use. UnUHARC programs can be freely
|
|
distributed without any restriction. See License.doc for details.
|
|
The current beta version is mainly intended for testing and evaluation,
|
|
so please ensure that the archiver can correctly extract if it is used
|
|
for any important data.
|
|
|
|
If you have any problems or questions then please feel free to contact
|
|
me at the e-mail address below.
|
|
|
|
|
|
|
|
===< 6. Contact info >========================================================
|
|
|
|
|
|
If you have any advice, comments, bug reports or requests for info,
|
|
you can send e-mail to:
|
|
|
|
Uwe.Herklotz@gmx.de
|
|
|
|
or mail to: Uwe Herklotz
|
|
Irkutsker Str. 111
|
|
09119 Chemnitz
|
|
Germany
|
|
|
|
|
|
|
|
##############################################################################
|
|
UHARC Copyright(c) 1997-2005 by Uwe Herklotz All rights reserved
|