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- UNSHAR(1) UNSHAR(1)
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- NAME
- unshar - unpack a shar file
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- SYNOPSIS
- unshar [ -d directory ] [ -c ] [ -e | -E exit_line ] [
- file ... ]
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- DESCRIPTION
- 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. This man-
- ual page reflects unshar version 4.0.
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- OPTIONS
- 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.
-
- --version
- Print the version number of the program on standard
- output, then immediately exits.
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- --help Print a help summary on standard output, then imme-
- diately exits.
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- -d DIRECTORY --directory=DIRECTORY
- Change directory to DIRECTORY before unpacking any
- files.
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- -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.
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- -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 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.
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- Option -e is internally equivalent to -E "exit 0".
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- -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.
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- UNSHAR(1) UNSHAR(1)
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- For example, noticing that most `.signatures' have
- a `--' on a line right before them, one can some-
- times 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.
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- SEE ALSO
- shar(1)
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- DIAGNOSTICS
- Any message from the shell may be displayed.
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- AUTHORS
- Michael Mauldin at Carnegie-Mellon University
- guido@mcvax (Guido van Rossum at CWI, Amsterdam)
- davidsen@sixhub.uuxp (Bill Davidsen)
- wht%n4hgf@gatech.edu (Warren Tucker)
- rhg@CPS.COM (Richard H. Gumpertz)
- colas@avahi.inria.fr (Colas Nahaboo)
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- man pages:
- jhd@irfu.se (Jan Dj{rv)
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