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|
#! /bin/sh
#
# u7z - 7zip file archive Virtual File System for Midnight Commander ( ftp://ftp.ibiblio.org/pub/Linux/utils/file/managers/mc/ )
#
# Copyright (C) 2004 Sergiy Niskorodov (sgh at mail dot zp dot ua)
# Written by Sergiy Niskorodov aka SGh
#
# version 4.29 (12 Nov 2005)
#
# 7z for linux can be found on http://sourceforge.net/projects/p7zip/
# Thanks to urar VFS authors andrey joukov 2:5020/337.13@fidonet.org,
# christian.gennerat@alcatel.fr, Andrew V. Samoilov <sav@bcs.zp.ua>
# I use this script like example
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
SEVENZ=`which 7z` || SEVENZ=`which 7za`
mc7zfs_list ()
{
$SEVENZ l "$1" 2> /dev/null | gawk -v uid=${UID-0} '
BEGIN { flag=0; arr_of_month="JanFebMarAprMayJunJulAugSepOctNovDec" }
/^-------/ { flag++; if (flag > 1) exit 0; next }
{
if (flag == 0) next
year=substr($1, 1, 4)
month=substr($1, 6, 2)
day=substr($1, 9, 2)
month_name=substr(arr_of_month, (month-1)*3+1, 3)
time=substr($2, 1, 5)
if (index($3, "D") != 0)
attr="drwxr-xr-x"
else
if (index($3, ".") != 0)
attr="-rw-r--r--"
size=$4
$0=substr($0, 54)
if (NF > 1)
name=$0
else
name=$1
gsub(/\\/, "/", name)
printf "%s 1 %-8d %-8d %8d %3s %2d %4d %s %s\n", attr, uid, 0, size, month_name, day, year, time, name
}'
}
mc7zfs_copyin ()
{
# preserve pwd.
pwd=`pwd`
# Create a directory and copy in it the tmp file with the random name
dir="$3".dir
mkdir "$dir"
cd "$dir"
di="${2%/*}"
# if file is to be written upper in the archive tree, make fake dir
if test "$di" != "${2##*/}" ; then
mkdir -p "$di"
fi
cp -fp "$3" "$dir/$2"
$SEVENZ a "$1" "$2" >/dev/null 2> /dev/null
cd $pwd
rm -rf "$3.dir"
}
mc7zfs_copyout ()
{
$SEVENZ l "$1" | grep -q "[.][/].*$2" &> /dev/null && EXFNAME=*./"$2" || EXFNAME="$2"
$SEVENZ e -r- -so "$1" "$EXFNAME" > "$3" 2> /dev/null
}
mc7zfs_mkdir ()
{
# preserve pwd.
pwd=`pwd`
# Create a directory and create in it a tmp directory with the good name
dir=tmpdir.${RANDOM}
mkdir $dir
cd $dir
mkdir -p "$2"
$SEVENZ a -r "$1" "$2" >/dev/null 2>/dev/null
cd $pwd
rm -rf $dir
}
mc7zfs_rm ()
{
$SEVENZ l "$1" | grep -q "[.][/].*$2" &> /dev/null && EXFNAME=*./"$2" || EXFNAME="$2"
$SEVENZ d "$1" "$EXFNAME" 2>&1 | grep -q E_NOTIMPL &> /dev/null && { echo -e "Function not implemented...\n7z cannot delete files from solid archive." >&2 ; exit 1 ; }
}
umask 077
cmd="$1"
shift
case "$cmd" in
list) mc7zfs_list "$@" ;;
rm) mc7zfs_rm "$@" ;;
rmdir) mc7zfs_rm "$@" ;;
mkdir) mc7zfs_mkdir "$@" ;;
copyin) mc7zfs_copyin "$@" ;;
copyout) mc7zfs_copyout "$@" ;;
*) exit 1 ;;
esac
exit 0
|
