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Re: grepp -- Perl version of grep

by Abigail-II (Bishop)
on Apr 15, 2004 at 23:27 UTC ( #345584=note: print w/ replies, xml ) Need Help??


in reply to Re: Re: grepp -- Perl version of grep
in thread grepp -- Perl version of grep

Do you have common regular expressions you'd use 'grepp' for, and for which there's no 'grep' equivalent?

Abigail


Comment on Re: grepp -- Perl version of grep
Re: Re: grepp -- Perl version of grep
by graff (Chancellor) on Apr 16, 2004 at 02:44 UTC
    Well, that bit in the pod about matching GB characters was based on personal experience. Access to Perl 5.8's character-set transliteration and unicode-based character semantics for matches (not to mention the very handy "\p" unicode-based character classes) was the main reason I had to write this tool in the first place. The other bells and whistles (handling compressed data, controlling the input record separator) were after-thoughts -- once I started using this thing on real (multi-language, multi-coded) text data, those other things were just handy and easy to add. But the Encode module was crucial.

    Maybe some people have tricks to search for a specific GB (or Big5, or Shif-JIS) character using plain-old "grep", but I couldn't figure a way to make it trustworhty for such things, and doing it with Perl just made sense.

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