#!/bin/bash
# function Extract for common file formats

function extract {
 if [ -z "$1" ]; then
    # display usage if no parameters given
    echo "Usage: extract <path/file_name>.<zip|rar|bz2|gz|tar|tbz2|tgz|Z|7z|xz|ex|tar.bz2|tar.gz|tar.xz>"
 else
    if [ -f "$1" ] ; then
        # NAME=${1%.*}
        # mkdir $NAME && cd $NAME
        case "$1" in
          *.tar.bz2)   tar xvjf ../"$1"    ;;
          *.tar.gz)    tar xvzf ../"$1"    ;;
          *.tar.xz)    tar xvJf ../"$1"    ;;
          *.lzma)      unlzma ../"$1"      ;;
          *.bz2)       bunzip2 ../"$1"     ;;
          *.rar)       unrar x -ad ../"$1" ;;
          *.gz)        gunzip ../"$1"      ;;
          *.tar)       tar xvf ../"$1"     ;;
          *.tbz2)      tar xvjf ../"$1"    ;;
          *.tgz)       tar xvzf ../"$1"    ;;
          *.zip)       unzip ../"$1"       ;;
          *.Z)         uncompress ../"$1"  ;;
          *.7z)        7z x ../"$1"        ;;
          *.xz)        unxz ../"$1"        ;;
          *.exe)       cabextract ../"$1"  ;;
          *)           echo "extract: '$1' - unknown archive method" ;;
        esac
    else
        echo "'$1' - file does not exist"
    fi
fi
}

extract $1