Check output device is a terminal: Difference between revisions
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(Added a solution for D) |
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File.new("/dev/tty").tty? #=> true |
File.new("/dev/tty").tty? #=> true |
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STDOUT.tty? #=> true</lang> |
STDOUT.tty? #=> true</lang> |
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=={{header|D}}== |
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<lang D>import std.stdio; |
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extern(C) int isatty(int); |
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void main() { |
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writeln("Stdout is tty: ", stdout.fileno.isatty == 1); |
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}</lang> |
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{{out}} |
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<pre> |
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prompt>a.out |
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Stdout is tty: true |
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prompt>a.out > out.txt |
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Stdout is tty: false |
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</pre> |
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=={{header|Factor}}== |
=={{header|Factor}}== |
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