If this is a ksh bug, what ksh version should I upgrade to?
On:
OS: Red Hat Enterprise Linux Server release 6.1 (Santiago)
ksh: version sh (AT&T Research) 93t+ 2010-06-21
Elapsed time less than 2 tenths of a second:
$ time -f ‘%E\n' ksh -e '[[ A__BBBBBBBB_CCCCC_Z_EEEE__F ==
*@(__+(+([A-Z0-9])?(_))__)* ]]'
0:00.14
However, if that string is extended by adding, say, seven more "Z"s, then the
elapsed mushrooms to almost 10 seconds.
$ time -f '%E\n' ksh -e '[[ A__BBBBBBBB_CCCCC_ZZZZZZZZ_EEEE__F ==
*@(__+(+([A-Z0-9])?(_))__)* ]]'
0:09.96
This appears to be a ksh bug (a memory leak?), what ksh version must I upgrade
to to get past it?
Please let me know if I should provide further information.
Thanks,
Dan
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