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uzoo
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2009-10-25
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1KB
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66 lines
#! /bin/sh
#
# Zoo file system
#
# Source of zoo can be found at
# ftp://ftp.ibiblio.org/pub/Linux/utils/compress/
ZOO=zoo
# Stupid zoo won't work if the archive name has no .zoo extension, so we
# have to make a symlink with a "better" name. Also, zoo can create
# directories even if printing files to stdout, so it's safer to confine
# it to a temporary directory.
mklink ()
{
TMPDIR=`mktemp -d ${MC_TMPDIR:-/tmp}/mctmpdir-uzoo.XXXXXX` || exit 1
trap 'cd /; rm -rf "$TMPDIR"' 0 1 2 3 5 13 15
ARCHIVE="$TMPDIR/tmp.zoo"
ln -sf "$1" "$ARCHIVE"
cd "$TMPDIR" || exit 1
}
mczoofs_list ()
{
mklink "$1"
$ZOO lq "$ARCHIVE" | mawk -v uid=$(id -ru) '
/^[^\ ]/ { next }
{
if (NF < 8)
next
if ($8 ~ /^\^/)
$8=substr($8, 2)
if ($6 > 50)
$6=$6 + 1900
else
$6=$6 + 2000
split($7, a, ":")
if ($8 ~ /\/$/)
printf "drwxr-xr-x 1 %-8d %-8d %8d %s %2d %4d %02d:%02d %s\n", uid, 0, $1, $5, $4, $6, a[1], a[2], $8
else
printf "-rw-r--r-- 1 %-8d %-8d %8d %s %2d %4d %02d:%02d %s\n", uid, 0, $1, $5, $4, $6, a[1], a[2], $8
}' 2>/dev/null
exit 0
}
mczoofs_copyout ()
{
mklink "$1"
# zoo only accepts name without directory as file to extract
base=`echo "$2" | sed 's,.*/,,'`
$ZOO xpq: "$ARCHIVE" "$base" > "$3"
cd /
exit 0
}
umask 077
cmd="$1"
shift
case "$cmd" in
list) mczoofs_list "$@" ;;
copyout) mczoofs_copyout "$@" ;;
*) exit 1 ;;
esac
exit 0