Input loop

To read from the standard input, you can use STDIN as your fh.

var file = File(__FILE__)
file.open_r(\var fh, \var err) || die "#{file}: #{err}"

fh.each { |line|              # iterates the lines of the fh
    line.each_word { |word|   # iterates the words of the line
        say word
    }
}

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