It's really strange:
cp003421_run> ksh -c 'x="a15 b2 c3" ; d="${x//~(X)([[:alnum:]]&[[:digit:]])+/}"
; print -v .sh.match;print $d'
(
3
3
)
a b c
cp003421_run> ksh -c 'x="a15 b2 c3" ; d="${x//~(X)([[:alnum:]]&[[:digit:]])+/
}" ; print -v .sh.match;print $d'
(
(
15
2
3
)
(
5
2
3
)
)
a b c
cp003421_run> ksh -c 'x="a15 b2 c3" ;
d="${x//~(X)(([[:alnum:]])&([[:digit:]]))+/}" ; print -v .sh.match;print $d'
(
3
3
3
3
)
a b c
cp003421_run> ksh -c 'x="a15 b2 c3" ;
d="${x//~(X)(([[:alnum:]])&([[:digit:]]))+/ }" ; print -v .sh.match;print $d'
(
(
15
2
3
)
(
5
2
3
)
(
5
2
3
)
(
5
2
3
)
)
a b c
This is from Version AJM 93u+ 2012-08-01, in Version AIJM 93v- 2013-07-24 the
commands with "/}" at the end give the same result as the commands with "/ }".
Best Regards
Axel Philipp
MTU Aero Engines AG
-----Ursprüngliche Nachricht-----
Von: [email protected]
[mailto:[email protected]] Im Auftrag von Dan Shelton
Gesendet: Dienstag, 20. August 2013 22:32
An: [email protected]; [email protected]
Betreff: [ast-users] Bug in ~(X) and .sh.match
I may have found a bug in ~(X). AFAIK the first index (.sh.match[0])
in .sh.match always lists all patterns for which matches have been
found, and all following indexes (.sh.match[0..inf]) store the
captured matches for a specific bracket pair, right?
If that's correct, why does '15' appear in .sh.match[0][0] but no
other match has '15' later?
ksh -c 'x="a15 b2 c3" ; d="${x//~(X)(([[:alnum:]])&([[:digit:]]))+/}"
; print -v .sh.match'
(
(
15
2
3
)
(
5
2
3
)
(
5
2
3
)
(
5
2
3
)
)
Dan
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