var cmd = $e:arc~

edit:add-var archiver~ {|@argv|
  use str
  var help = {
    echo "Usage : archiver [(-zlxgb)] <file to compress>"
    return
  }
  if (or (== (count $argv) 0) (eq $argv[0] -h)) {
    $help
  }
  var format o = zst $argv[0]
  if (and (str:has-prefix $o -) (> (count $o) 1)) {
    set o = $o[1]
    var m = [
      &z=zst
      &l=lz4
      &x=xz
      &g=gz
      &b=bz2
    ]
    if (not (has-key $m $o)) {
      $help
    }
    set format argv = $m[$o] $argv[1..]
  }
  if (== (count $argv) 0) {
    $help
  }
  peach &num-workers=3 {|f|
    var ff = (str:trim-suffix $f '/')
    $cmd archive $ff'.tar.'$format $ff
    printf "'%s' archivé\n" $ff
  } $argv
}

edit:add-var desarchiver~ {|@argv|
  peach {|f|
    var ff = $f
    $cmd unarchive $ff
    printf "'%s' désarchivé\n" $ff
  } $argv
}

edit:add-var listarchiver~ {|@argv|
  peach {|f|
    var ff = $f
    $cmd ls $ff
  } $argv
}