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Top Forums Shell Programming and Scripting find charecter from its ascii value. Post 302146300 by eggi on Tuesday 20th of November 2007 12:52:55 AM
Old 11-20-2007
You can use perl's pack function to do that

$hex_ascii=%20;
print "HEX $hex_ascii\n";
$hex_ascii =~ s/%(..)/pack("c",hex($1))/ge;
print "Alpha $hex_ascii\n";

Code above may not suit exactly what you're looking for, but hopefully points in the right direction Smilie

, Mike
 

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GIT-INDEX-PACK(1)						    Git Manual							 GIT-INDEX-PACK(1)

NAME
git-index-pack - Build pack index file for an existing packed archive SYNOPSIS
git index-pack [-v] [-o <index-file>] <pack-file> git index-pack --stdin [--fix-thin] [--keep] [-v] [-o <index-file>] [<pack-file>] DESCRIPTION
Reads a packed archive (.pack) from the specified file, and builds a pack index file (.idx) for it. The packed archive together with the pack index can then be placed in the objects/pack/ directory of a git repository. OPTIONS
-v Be verbose about what is going on, including progress status. -o <index-file> Write the generated pack index into the specified file. Without this option the name of pack index file is constructed from the name of packed archive file by replacing .pack with .idx (and the program fails if the name of packed archive does not end with .pack). --stdin When this flag is provided, the pack is read from stdin instead and a copy is then written to <pack-file>. If <pack-file> is not specified, the pack is written to objects/pack/ directory of the current git repository with a default name determined from the pack content. If <pack-file> is not specified consider using --keep to prevent a race condition between this process and git repack. --fix-thin Fix a "thin" pack produced by git pack-objects --thin (see git-pack-objects(1) for details) by adding the excluded objects the deltified objects are based on to the pack. This option only makes sense in conjunction with --stdin. --keep Before moving the index into its final destination create an empty .keep file for the associated pack file. This option is usually necessary with --stdin to prevent a simultaneous git repack process from deleting the newly constructed pack and index before refs can be updated to use objects contained in the pack. --keep=why Like --keep create a .keep file before moving the index into its final destination, but rather than creating an empty file place why followed by an LF into the .keep file. The why message can later be searched for within all .keep files to locate any which have outlived their usefulness. --index-version=<version>[,<offset>] This is intended to be used by the test suite only. It allows to force the version for the generated pack index, and to force 64-bit index entries on objects located above the given offset. --strict Die, if the pack contains broken objects or links. NOTE
Once the index has been created, the list of object names is sorted and the SHA1 hash of that list is printed to stdout. If --stdin was also used then this is prefixed by either "pack ", or "keep " if a new .keep file was successfully created. This is useful to remove a .keep file used as a lock to prevent the race with git repack mentioned above. AUTHOR
Written by Sergey Vlasov <vsu@altlinux.ru[1]> DOCUMENTATION
Documentation by Sergey Vlasov GIT
Part of the git(1) suite NOTES
1. vsu@altlinux.ru mailto:vsu@altlinux.ru Git 1.7.1 07/05/2010 GIT-INDEX-PACK(1)
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