thanks Michal
this test shows 3 different behaviors:
one line of output with "1" -- correct
one empty line of output -- incorrect
hang -- incorrect
for builtin { head wc } the example works with { 2012-06-19 2012-06-22
2012-06-28 }
but hangs with
ksh -c 'echo $( ( /usr/bin/head -c 1 /dev/zero | ( /usr/bin/wc -c )
2>&1 ) 2>&1 )'
we'll have to ammend the regression test to use builtin and standalone { head
wc }
On Wed, 18 Jul 2012 16:34:46 +0200 Michal Hlavinka wrote:
> Hi,
> while testing different bug, we found regression in ksh. It hangs with
> following reproducer. Regression was introduced between 2011-01-31
> (works) and 2011-02-08 (first broken).
> Reproducer:
> ksh -c 'echo $( ( head -c 1 /dev/zero | ( wc -c ) 2>&1 ) 2>&1 )'
> Let me know if you need another information.
> Michal
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