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| From | Linda Walsh <bash@tlinx.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 | Mon, 03 Aug 2015 11:09:53 -0700 |
| Lines | 14 |
| Approved | bug-bash@gnu.org |
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| To | Greg Wooledge <wooledg@eeg.ccf.org> |
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Greg Wooledge wrote:
> 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.)
---
-t is portable? I vaguely remember -t -- but I know I didn't when
I wrote that function... thanks for the update!
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Re: BUG?: (or what's going on?) test for NL == NL fails (bash-4.3.39(3)-release) Linda Walsh <bash@tlinx.org> - 2015-08-03 11:09 -0700
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