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

extract() {
  local a
  [[ $# -eq 0 ]] && { echo "usage: extract <archive...>" >&2; return 1; }
  for a in "$@"; do
    [[ ! -f $a ]] && { echo "$a: not a file" >&2; continue; }
    case $a in
      *.tar.*|*.tgz|*.tbz2) tar xvf "$a" --auto-compress ;;
      *.tar)                tar xvf "$a" ;;
      *.gz)                 gunzip "$a" ;;
      *.bz2)                bunzip2 "$a" ;;
      *.xz)                 unxz "$a" ;;
      *.zst)                unzstd "$a" ;;
      *.zip)                unzip "$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