Re: grep -P

It uses an external library called pcre, and I think the feature is not always compiled in grep.

If you want to use real perl expressions with grep, an alternative to gnu grep is to use one of the several grep clones implemented in perl, such as mine.

Comment on Re: grep -P

Replies are listed 'Best First'.
Re^2: grep -P by tomazos (Deacon) on Jun 25, 2006 at 21:25 UTC
Interesting... `$ apt-cache search pcre libpcre3 - Perl 5 Compatible Regular Expression Library - runtime file +s libpcre3-dev - Perl 5 Compatible Regular Expression Library - developm +ent files libpcrecpp0 - Perl 5 Compatible Regular Expression Library - C++ runti +me files pcregrep - grep utility that uses perl 5 compatible regexes. pgrep - Dummy package for transition to pcregrep` [download] I suppose pcregrep or pgrep might somehow help. -Andrew.	[reply] [d/l]

Replies are listed 'Best First'.

Re^2: grep -P
by tomazos (Deacon) on Jun 25, 2006 at 21:25 UTC

$ apt-cache search pcre
libpcre3 - Perl 5 Compatible Regular Expression Library - runtime file
+s
libpcre3-dev - Perl 5 Compatible Regular Expression Library - developm
+ent files
libpcrecpp0 - Perl 5 Compatible Regular Expression Library - C++ runti
+me files
pcregrep - grep utility that uses perl 5 compatible regexes.
pgrep - Dummy package for transition to pcregrep
[download]

I suppose pcregrep or pgrep might somehow help.

-Andrew.

[reply]
[d/l]