0ab5e64ac0
* ChangeLog.1, ChangeLog.CVS, Makefile.am, NEWS, README: * README-hacking, directory, doc/Makefile.am, doc/dumpdir.texi: * doc/gendocs_template, doc/intern.texi, doc/mastermenu.el: * doc/snapshot.texi, doc/sparse.texi, doc/tar-snapshot-edit.texi: * doc/value.texi, lib/Makefile.am, scripts/backup-specs: * scripts/dump-remind.in, scripts/tar-snapshot-edit, scripts/tarcat: * scripts/xsparse.c, src/arith.h, src/buffer.c, src/compare.c: * src/create.c, src/delete.c, src/exit.c, src/suffix.c, src/tar.c: * src/tar.h, src/update.c, src/warning.c, src/xheader.c: * tests/append01.at, tests/append02.at, tests/atlocal.in: * tests/delete03.at, tests/exclude.at, tests/exclude06.at: * tests/extrac04.at, tests/extrac05.at, tests/extrac06.at: * tests/extrac07.at, tests/filerem01.at, tests/filerem02.at: * tests/incr01.at, tests/incr02.at, tests/incr03.at, tests/incr06.at: * tests/label02.at, tests/label03.at, tests/label04.at: * tests/label05.at, tests/link02.at, tests/link03.at: * tests/listed01.at, tests/listed02.at, tests/long01.at: * tests/longv7.at, tests/multiv01.at, tests/multiv02.at: * tests/multiv03.at, tests/multiv05.at, tests/multiv06.at: * tests/multiv07.at, tests/multiv08.at, tests/options.at: * tests/options02.at, tests/remfiles03.at, tests/rename01.at: * tests/rename02.at, tests/rename03.at, tests/rename04.at: * tests/rename05.at, tests/same-order01.at, tests/same-order02.at: * tests/shortfile.at, tests/shortupd.at, tests/sparse01.at: * tests/sparse02.at, tests/sparsemv.at, tests/sparsemvp.at: * tests/star/README, tests/star/gtarfail2.at: * tests/star/multi-fail.at: * tests/star/pax-big-10g.at, tests/star/quicktest.sh: * tests/star/ustar-big-2g.at, tests/star/ustar-big-8g.at: * tests/update01.at, tests/update02.at, tests/volsize.at: * tests/volume.at: Remove trailing spaces and tabs from lines, and remove trailing empty lines from files. This makes it a bit easier to share code among coreutils and other projects that do this.
42 lines
932 B
Bash
Executable File
42 lines
932 B
Bash
Executable File
#! /bin/sh
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# Usage: tarcat volume1 volume2 ...
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# concatenates a GNU tar multi-volume archive into a single tar archive.
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# Author: Bruno Haible <bruno@clisp.org>, Sergey Poznyakoff <gray@gnu.org.ua>
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# dump_type FILE [N]
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# Print type character from block N (default 0) of tar archive FILE
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dump_type() {
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dd if="$1" skip=${2:-0} bs=512 count=1 2>/dev/null |
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tr '\0' ' ' |
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cut -c157
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}
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case `dump_type "$1"` in
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[gx]) PAX=1;;
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esac
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cat "$1"
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shift
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for f
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do
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SKIP=0
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T=`dump_type "$f"`
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if [ -n "$PAX" ]; then
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if [ "$T" = "g" ]; then
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# Global extended header.... 2 blocks
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# Extended header........... 2 blocks
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# Ustar header.............. 1 block
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# FIXME: This calculation is will fail for very long file names.
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SKIP=5
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fi
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else
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if [ "$T" = "V" ]; then
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T=`dump_type "$f" 1`
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fi
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if [ "$T" = "M" ]; then
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SKIP=$(($SKIP + 1))
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fi
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fi
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dd skip=$SKIP if="$f"
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done
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