#!/usr/bin/env bash
# Unzip most filetypes automatically

extract() {
  [[ $# -eq 0 ]] && { echo "usage: extract <archive...>" >&2; return 1; }
  for a in "$@"; do
    [[ ! -f $a ]] && { echo "$a: not a file" >&2; continue; }
    case $a in
      *.tar.bz2|*.tbz2) tar xvjf "$a" ;;
      *.tar.gz|*.tgz)   tar xvzf "$a" ;;
      *.tar.xz)         tar --xz -xvf "$a" ;;
      *.tar.zst)        tar --use-compress-program=unzstd -xvf "$a" ;;
      *.tar.lz)         tar --lzip -xvf "$a" ;;
      *.tar)            tar xvf "$a" ;;
      *.bz2)            bunzip2 "$a" ;;
      *.gz)             gunzip "$a" ;;
      *.xz)             unxz "$a" ;;
      *.zst)            unzstd "$a" ;;
      *.lz)             unlz "$a" ;;
      *.zip)            unzip "$a" ;;
      *.rar)            unrar x "$a" ;;
      *.7z)             7z x "$a" ;;
      *.Z)              uncompress "$a" ;;
      *)                echo "$a: cannot extract" ;;
    esac
  done
}

# Allow script to be safely sourced
if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
	extract "$@"
	exit $?
fi