RosettaCodeData/Task/Take-notes-on-the-command-line/Sidef/take-notes-on-the-command-line.sidef

var file = %f'notes.txt'

if (ARGV.len > 0) {
    var fh = file.open_a
    fh.say(Time.local.ctime + "\n\t" + ARGV.join(" "))
    fh.close
} else {
    var fh = file.open_r
    fh && fh.each { .say }
}