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Groups > gnu.bash.bug > #11286

Re: BUG?: (or what's going on?) test for NL == NL fails (bash-4.3.39(3)-release)

From Greg Wooledge <wooledg@eeg.ccf.org>
Newsgroups gnu.bash.bug
Subject Re: BUG?: (or what's going on?) test for NL == NL fails (bash-4.3.39(3)-release)
Date 2015-08-03 07:59 -0400
Message-ID <mailman.7785.1438603222.904.bug-bash@gnu.org> (permalink)
References <55BE6FB8.4080200@tlinx.org> <55BE7DD6.3040509@tlinx.org>

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On Sun, Aug 02, 2015 at 01:30:14PM -0700, Linda Walsh wrote:
> isatty () { test -c /proc/self/fd/1 ; }

This can be done portably with test -t 1 if you want the body of the
function to do what the name implies.  (Testing for a character device
gives false positives if stdout is a tape drive or similar device.)

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Re: BUG?: (or what's going on?) test for NL == NL fails (bash-4.3.39(3)-release) Greg Wooledge <wooledg@eeg.ccf.org> - 2015-08-03 07:59 -0400

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