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doc: mention process.*.isTTY under process

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Mathias Bynens 2013-03-19 09:10:23 +01:00 committed by Ben Noordhuis
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commit 488b74d68b
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doc/api/process.markdown
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@ -93,6 +93,20 @@ that writes to them are usually blocking. They are blocking in the case
that they refer to regular files or TTY file descriptors. In the case they that they refer to regular files or TTY file descriptors. In the case they
refer to pipes, they are non-blocking like other streams. refer to pipes, they are non-blocking like other streams.
To check if Node is being run in a TTY context, read the `isTTY` property
on `process.stderr`, `process.stdout`, or `process.stdin`:
$ node -p "Boolean(process.stdin.isTTY)"
true
$ echo "foo" | node -p "Boolean(process.stdin.isTTY)"
false
$ node -p "Boolean(process.stdout.isTTY)"
true
$ node -p "Boolean(process.stdout.isTTY)" | cat
false
See [the tty docs](tty.html#tty_tty) for more information.
## process.stderr ## process.stderr