#!/bin/bash

###############################

#

# easily un-archive archives

#

# written by Martin Scharm

# see http://binfalse.de

#

###############################

if [ $# -ne 1 ]

then

echo "Usage: `basename $0` [ARCHIVE TO UNPACK]"

exit 1

fi

if [ ! -f $1 ] || [ ! -r $1 ]

then

echo "File $1 does not exists or is not readable"

exit 1

fi

FILE=`echo $1 | tr '[A-Z]' '[a-z]'`

case "$FILE" in

*.tar.gz)

EXT=".tar.gz";

CMD="tar -zxvf";

CD="-C ";;

*.tgz)

EXT=".tgz";

CMD="tar -zxvf";

CD="-C ";;

*.tar.bz2)

EXT=".tar.bz2";

CMD="tar -jxvf";

CD="-C ";;

*.tar.bzip2)

EXT=".tar.bzip2";

CMD="tar -jxvf";

CD="-C ";;

*.tar)

EXT=".tar";

CMD="tar -xvf";

CD="-C ";;

*.zip)

EXT=".zip";

CMD="unzip";

CD="-d ";;

*.bz2)

EXT=".bz2";

CMD="bunzip2 -d -k -v";

CD="changeto";;

*.gz)

EXT=".gz";

CMD="gunzip -d -v";

CD="changeto";;

*.lha)

EXT=".lha";

CMD="lha x";

CD="w=";;

*.ace)

EXT=".ace";

CMD="unace";

CD="changeto";;

*.rar)

EXT=".rar";

CMD="rar x";

CD=" ";;

*.cab)

EXT=".cab";

CMD="cabextract";

CD="-d ";;

*.xpi)

EXT=".xpi";

CMD="unzip";

CD="-d ";;

*.jar)

EXT=".jar";

CMD="jar xvf";

CD="-C ";;

*.deb)

EXT=".deb";

CMD="ar xvo";

CD="changeto";;

*.lzo)

EXT=".lzo";

CMD="lzop -x";

CD="-p";;

*)

echo "Do not know that type of Archive!";

exit 1;;

esac

DIR=`echo $FILE | perl -pe "s/$EXT$//"`

# existiert das Directory schon??

if [ -d $DIR ]

then

echo -e "$DIR exists!\n\td - Delete it!\n\ta - apend Date/Time\n\tany other Input will Cancel!"

read IN

case "$IN" in

d)

rm -rf $DIR;;

a)

DIR=${DIR}_`date +"%F_%H-%M-%S"`;;

*)

echo "Aborted!"

exit 1;;

esac

fi

mkdir -p $DIR

if [ $? -ne 0 ]

then

echo FAILED

exit 1

fi

# unpack

echo "Extracting with '$CMD' to $DIR"

if [ "$CD" == "changeto" ]

then

cd $DIR

$CMD ../$1

if [ $? -ne 0 ]

then

echo "FAILED"

exit 1

fi

else

$CMD $1 $CD $DIR

if [ $? -ne 0 ]

then

echo "FAILED"

exit 1

fi

fi

echo "Extracted Archive ;-)"