Check input device is a terminal: Difference between revisions
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=={{header|Crystal}}== |
=={{header|Crystal}}== |
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<lang ruby>File.new("testfile").tty? #=> false |
<lang ruby>File.new("testfile").tty? #=> false |
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File.new("/dev/tty").tty? #=> true |
File.new("/dev/tty").tty? #=> true |
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STDIN.tty? #=> true</lang> |
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=={{header|D}}== |
=={{header|D}}== |
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