nomarch(1) Archive Extraction nomarch(1)
NAME
nomarch - extract `.arc' archives
SYNOPSIS
nomarch [-hlptUv] [archive.arc] [match1 [match2 ... ]]
DESCRIPTION
nomarch lists, extracts, or tests `.arc' archives. (An alternate exten-
sion sometimes used was `.ark'; these work too.) This is a very out-
dated file format which should certainly not be used for anything new,
but you may still need an extraction utility, and here it is. :-)
The default action is to extract all files in the specified archive;
see OPTIONS below for how to do other things instead.
OPTIONS
-h give terse usage help.
-l list files in archive. If verbose listings are enabled, it shows
the filename, compression method, compressed/uncompressed size,
date/time, and CRC; but by default, it just shows the filename,
uncompressed size, and date/time.
-p extract to standard output, rather than to separate files.
-t test files in archive (more precisely, check file CRCs).
-U use uppercase filenames; more precisely, preserve original case
from archive.
-v give verbose output (when used with `-l').
archive.arc
the archive to operate on.
match1 etc.
optionally specify which archive members to list/extract/test.
Those which match any of these filenames/wildcards are pro-
cessed. Wildcard operators supported are shell-like `*' and `?',
but don't forget to quote arguments which use these (e.g. `no-
march foo.arc '*.bar'').
EXTRACTING MULTIPLE ARCHIVES
nomarch follows the `unzip'-like practice of working on only one ar-
chive per run, with further `filenames' given on the command-line actu-
ally specifying files to extract (or whatever). The easiest way to work
on multiple files with nomarch is simply to run it multiple times using
for; for example:
for i in *.arc; do nomarch $i; done
The above would extract all archives in the current directory.
USING THE PROGRAM FROM EMACS
Emacs's arc-mode facility lets you work with various kinds of archive
file directly from the editor. Making it use nomarch for extracting
`.arc' files isn't too hard. Just add the following to your ~/.emacs
file:
(setq archive-arc-extract '("nomarch" "-U"))
BUGS
The CRC used by the format is only 16-bit, so `-t' is a less-than-per-
fect test.
One compression method, obsolete even by `.arc' standards :-), isn't
supported yet. This is partly because I've yet to find a single file
which uses it, despite testing an awful lot of files.
Subdirectories in Spark archives are extracted as the `.arc'-format
files they really are, which may not be terribly convenient.
SEE ALSO
tar(1), gzip(1), bzip2(1), lbrate(1)
AUTHOR
Russell Marks (rus@svgalib.org).
Version 1.4 18th June, 2006 nomarch(1)
Generated by dwww version 1.14 on Fri Jan 24 06:16:44 CET 2025.