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On Oct 3 04:59, Westlund, John A wrote: > I first noticed this issue after an update to gawk 4.1.3. If the third argument in a call to gensub is bogus a warning is generated where is used to silently pass through: > > $ echo asdf | gawk '{print gensub(/a/,"b","")}' > gawk: cmd. line:1: (FILENAME=- FNR=1) warning: gensub: third argument `' treated as 1 > bsdf > $ gawk -V > GNU Awk 4.1.3, API: 1.1 (GNU MPFR 3.1.3, GNU MP 6.0.0) > Copyright (C) 1989, 1991-2015 Free Software Foundation. > > On other gawk versions this is the behavior: > $ echo asdf | gawk '{print gensub(/a/,"b","")}' > Bsdf > > Appears to be resolved by this patch: > https://www.sourceware.org/ml/libc-alpha/2015-08/msg00269.html No, that's a patch in glibc to cope with the changed behaviour of gawk 4.1.3. The upstream change was intentional. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Maintainer cygwin AT cygwin DOT com Red Hat
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