+
+ success=0
+ file_name="$( basename "$1" )"
+ extract_dir="$( echo "$file_name" | sed "s/\.${1##*.}//g" )"
+ case "$1" in
+ (*.tar.gz|*.tgz) tar xvzf "$1" ;;
+ (*.tar.bz2|*.tbz|*.tbz2) tar xvjf "$1" ;;
+ (*.tar.xz|*.txz) tar --xz --help &> /dev/null \
+ && tar --xz -xvf "$1" \
+ || xzcat "$1" | tar xvf - ;;
+ (*.tar.zma|*.tlz) tar --lzma --help &> /dev/null \
+ && tar --lzma -xvf "$1" \
+ || lzcat "$1" | tar xvf - ;;
+ (*.tar) tar xvf "$1" ;;
+ (*.gz) gunzip "$1" ;;
+ (*.bz2) bunzip2 "$1" ;;
+ (*.xz) unxz "$1" ;;
+ (*.lzma) unlzma "$1" ;;
+ (*.Z) uncompress "$1" ;;
+ (*.zip) unzip "$1" -d $extract_dir ;;
+ (*.rar) unrar x -ad "$1" ;;
+ (*.7z) 7za x "$1" ;;
+ (*.deb)
+ mkdir -p "$extract_dir/control"
+ mkdir -p "$extract_dir/data"
+ cd "$extract_dir"; ar vx "../${1}" > /dev/null
+ cd control; tar xzvf ../control.tar.gz
+ cd ../data; tar xzvf ../data.tar.gz
+ cd ..; rm *.tar.gz debian-binary
+ cd ..
+ ;;
+ (*)
+ echo "extract: '$1' cannot be extracted" 1>&2
+ success=1
+ ;;
+ esac
+
+ (( success = $success > 0 ? $success : $? ))
+ (( $success == 0 )) && (( $remove_archive == 0 )) && rm "$1"
+ shift
+ done