[bug #27669] issue using ^ with -z

[Paolo Bonzini]

Update of bug #27669 (project grep):

                  Status:                    None => In Progress            

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Follow-up Comment #2:

This looks like it was fixed recently, but only in the case when the DFA
matcher is used:

$ perl -e '@a=qw/abc def ghi/; foreach(@a){print "$_n "}' | grep -z ^d[e-g]f 
$ perl -e '@a=qw/abc def ghi/; foreach(@a){print "$_n "}' | grep -z ^def 
def

For glibc we would probably need a new syntax bit, RE_NULL_NEWLINE.

While doing that, and for the sake of consistency, I'm also tempted to make ^
and $ match newlines in the middle of the NULL-separated record; ` and ' would
still be available to match beginning and ending of record.  This is a partial
patch that implements this in dfa.c.

(file #23580)
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Additional Item Attachment:

File name: p1.patch                       Size:3 KB


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