shell包含所有解壓縮的函數

#!/bin/sh() {
        if [ -f $1 ];then
                case $1 in
                        *.tar.bz2)      tar xjf $1      ;;
                        *.tar.gz)       tar xzf $1      ;;
                        *.bz2)          bunzip2 $1      ;;
                        *.rar)          unrar e $1      ;;
                        *.gz)           gunzip $1       ;;
                        *.tar)          tar xf $1       ;;
                        *.tbz2)         tar xjf $1      ;;
                        *.tgz)          tar xzf $1      ;;
                        *.zip)          gunzip $1       ;;
                        *.Z)            uncompress $1   ;;
                        *.7Z)           7z x $1         ;;
                        *)              echo "'$1' cannot be extract()" ;;
                esac
        else
                echo "'$1' is not a valid file"
        fi
}