Check input device is a terminal: Difference between revisions
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(Added Crystal version) |
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$ echo "" | sbcl --script rc.lisp |
$ echo "" | sbcl --script rc.lisp |
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stdin is not a terminal</pre> |
stdin is not a terminal</pre> |
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=={{header|Crystal}}== |
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<lang ruby>File.new("testfile").tty? #=> false |
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File.new("/dev/tty").tty? #=> true</lang> |
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=={{header|D}}== |
=={{header|D}}== |
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