extr (810B)
1 #!/bin/sh 2 3 usage() 4 { 5 echo "usage: ${0##*/} [-d dir] file" 1>&2 && exit 1 6 } 7 8 while getopts d: arg; do 9 case "${arg}" in 10 d) dir="${OPTARG}" ;; 11 *) usage ;; 12 esac 13 done 14 shift "$(expr ${OPTIND} - 1)" 15 16 archive="$(readlink -f ${1})" 17 test -z "${archive}" && usage 18 test -n "${dir}" && mkdir -p "${dir}" && cd "${dir}" 19 20 case "${archive}" in 21 *.tar.bz2|*.tbz2) tar xvjf "${archive}" ;; 22 *.tar.xz) tar -xf "${archive}" ;; 23 *.tar.gz|*.tgz) tar xvzf "${archive}" ;; 24 *.lzma) unlzma "${archive}" ;; 25 *.bz2) bunzip2 "${archive}" ;; 26 *.rar) unrar x -ad "${archive}" ;; 27 *.gz) gunzip "${archive}" ;; 28 *.tar) tar xvf "${archive}" ;; 29 *.zip) unzip "${archive}" ;; 30 *.Z) uncompress "${archive}" ;; 31 *.7z) 7z x "${archive}" ;; 32 *.xz) unxz "${archive}" ;; 33 *) echo "i don't know how to extract this" 1>&2 ;; 34 esac