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All the Perl that's Practical to Extract and Report

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Java vs. Perl 2 Comments More | Login | Reply /

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  • It's not just about speed, though. It also matters how long it takes you to write the program and how maintainable and extensible it is.

    For speed I'm offering (untested, just jotted down quickly):

        #/usr/bin/perl -n
        for $e (qw/gif jpg css GIF JPG CSS/) {
            next if index($_, "$e HTTP") != -1
        }
        print, next if substr($_, 0, 4) eq '192.';
        next if substr($_, 4, 2) eq '9.';
        next if substr($_, 4, 3) eq '18.';
        next if substr($_, 4, 3) eq '29.';
        print

    and for elegance (untested again):

        #!/usr/bin/perl -n
        next if /(?i:gif|jpg|css) HTTP/o;
        next if /^192\.(?:9|18|29)\./o;
        print;

    marcel
    • errr... this should be

      > next if index($_, "$e HTTP") != -1

          next LINE if index($_, "$e HTTP") != -1

      and

      > print, next if substr($_, 0, 4) eq '192.';

          print, next if substr($_, 0, 4) ne '192.';

      oh, for an edit interface... but you get the idea.

      marcel
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