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in reply to How to make EOF?

The ASCII character set has an ETX (End of Text), number 3 or an EOT (End of Transmission), number 4. Use chr NUMBER to get that character.

CountZero

A program should be light and agile, its subroutines connected like a string of pearls. The spirit and intent of the program should be retained throughout. There should be neither too little or too much, neither needless loops nor useless variables, neither lack of structure nor overwhelming rigidity." - The Tao of Programming, 4.1 - Geoffrey James