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UNSHAR(1)										UNSHAR(1)

       unshar - unpack a shar file

       unshar [ options ] [ file ... ]

       Unshar  scans  mail messages looking for the start of a shell archive.  It then passes the
       archive through a copy of the shell to unpack it.  It will accept multiple files.   If  no
       files are given, standard input is used.

       Options have a one letter version starting with - or a long version starting with --.  The
       exception is --help and --version, which does not have a short version.

	      Print the version number of the program on standard output, then immediately exits.

       --help Print a help summary on standard output, then immediately exits.

       -d DIRECTORY  --directory=DIRECTORY
	      Change directory to DIRECTORY before unpacking any files.

       -c  --overwrite
	      Passed as an option to the shar file.  Many shell archive scripts (including  those
	      produced	by `shar' 3.40 and newer) accepts a -c argument to indicate that existing
	      files should be overwritten.

       -e  --exit-0
	      This option exists mainly for people who collect many shell archives into a  single
	      mail folder.  With this option, `unshar' isolates each different shell archive from
	      the others which have been put in the same file, unpacking each in turn,	from  the
	      beginning  of  the  file	towards its end.  Its proper operation relies on the fact
	      that many shar files are terminated by a `exit 0' at the beginning of a line.

	      Option -e is internally equivalent to -E "exit 0".

       -E STRING  --split-at=STRING
	      This option works like -e, but it allows you to specify the string  that	separates
	      archives if `exit 0' isn't appropriate.

	      For  example,  noticing  that most `.signatures' have a `--' on a line right before
	      them, one can sometimes use `--split-at=--' for splitting shell archives which lack
	      the  `exit  0' line at end.  The signature will then be skipped altogether with the
	      headers of the following message.

       -f  --force
	      The same as -c.


       Any message from the shell may be displayed.

       The shar and unshar programs is the collective work of many authors.  Many people contrib-
       uted  by reporting problems, suggesting various improvements or submitting actual code.	A
       list of these people is in the THANKS file in the sharutils distribution.

					September 10, 1995				UNSHAR(1)
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