A little script to easily extract an archive based on the file extention

extract.sh

#!/bin/bash

if [ -f $1 ] ; then
  case $1 in
    *.tar.bz2)   tar xjf $1   ;;
    *.tar.gz)    tar xzf $1   ;;
    *.bz2)       bunzip2 $1   ;;
    *.rar)       unrar x $1     ;;
    *.gz)        gunzip $1    ;;
    *.tar)       tar xf $1    ;;
    *.tbz2)      tar xjf $1   ;;
    *.tgz)       tar xzf $1   ;;
    *.zip)       unzip $1     ;;
    *.Z)         uncompress $1;;
    *.7z)        7z x $1      ;;
    *)           echo "'$1' cannot be extracted via $0" ;;
  esac
else
  echo "'$1' is not a valid file"
fi