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OK, because .bash_profile is called on login shells and the normal GUI login doesn't have a terminal, so the only terminal login shell should be a tty. Good find

kiri
– kiri

2013-10-17 11:07:04 +00:00
Commented Oct 17, 2013 at 11:07
1

If this snippet were included in a larger script that had its stdin redirected from a file, it would report that no TTY is available even if run from a VT.

Joseph R.
– Joseph R.

2013-10-17 11:59:29 +00:00
Commented Oct 17, 2013 at 11:59
1

@JosephR Correct. The value is often with cron or at jobs to avoid failures when scripts assume interactive input.

JRFerguson
– JRFerguson

2013-10-17 12:34:01 +00:00
Commented Oct 17, 2013 at 12:34

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```
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