#!/bin/bash

if [[ -f "$1" ]]; then
    case "$1" in
        *.tar.lrz)
            b=$(basename "$1" .tar.lrz)
            lrztar -d "$1" ;;
        *.lrz)
            b=$(basename "$1" .lrz)
            lrunzip "$1" ;;
        *.tar.bz2)
            b=$(basename "$1" .tar.bz2)
            bsdtar xjf "$1" ;;
        *.bz2)
            b=$(basename "$1" .bz2)
            bunzip2 "$1" ;;
        *.tar.gz)
            b=$(basename "$1" .tar.gz)
            bsdtar xzf "$1" ;;
        *.gz)
            b=$(basename "$1" .gz)
            gunzip "$1" ;;
        *.tar.xz)
            b=$(basename "$1" .tar.xz)
            bsdtar Jxf "$1" ;;
        *.xz)
            b=$(basename "$1" .gz)
            xz -d "$1" ;;
        *.rar)
            b=$(basename "$1" .rar)
            unrar e "$1" ;;
        *.tar)
            b=$(basename "$1" .tar)
            bsdtar xf "$1" ;;
        *.tbz2)
            b=$(basename "$1" .tbz2)
            bsdtar xjf "$1" ;;
        *.tgz)
            b=$(basename "$1" .tgz)
            bsdtar xzf "$1" ;;
        *.zip)
            b=$(basename "$1" .zip)
            unzip "$1" ;;
        *.Z)
            b=$(basename "$1" .Z)
            uncompress "$1" ;;
        *.7z)
            b=$(basename "$1" .7z)
            7z x "$1" ;;
        *) echo "don't know how to extract '$1'..." && return 1;;
    esac
fi