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Full Discussion: Perl issue - please help!
Top Forums Shell Programming and Scripting Perl issue - please help! Post 302318096 by quine on Wednesday 20th of May 2009 07:16:45 PM
Old 05-20-2009
I believe the structure <DATA> only returns ONE line at a time...

You need to put it in a loop...

$state = 0;
$line = <DATA>;
$state = 1 if $line =~ /#ddffff/i;
while (<DATA>){
$keep_line = $_ if ($state && $_ =~ /NC_/);
# Now do something with $keep_line to persist it...
$state = 1 if $_ =~ /#ddffff/i;
$state = 0 if $_ =~ /^\s+&/;
}

Assuming blank lines between paragraphs, set a $state variable to 1 (some TRUE) value if you encounter a /#bbffff/ line... Now with the state set to TRUE, look for your NC_ pattern and save the line. The next blank, set state back to zero so that the next paragraph will NOT be searched unless you find #ddffff etc. There's probably a more elegant way to do it, but this should get you started...
 

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LEARN ABOUT CENTOS

perlver

PERLVER(1)						User Contributed Perl Documentation						PERLVER(1)

NAME

       perlver - The Perl Minimum Version Analyzer

SYNOPSIS

	 adam@red:~$ perlver Perl-MinimumVersion
	 Found directory '.'
	 Searching for Perl files... found 3 file(s)
	 Scanning lib/Perl/MinimumVersion.pm... done
	 Scanning t/01_compile.t... done
	 Scanning t/02_main.t... done

	     ---------------------------------------------------------
	   | file			| explicit | syntax | external |
	   | --------------------------------------------------------- |
	   | lib/Perl/MinimumVersion.pm | 5.005    | ~	    | n/a      |
	   | t/01_compile.t		| ~	   | ~	    | n/a      |
	   | t/02_main.t		| ~	   | ~	    | n/a      |
	     ---------------------------------------------------------

	 Minimum version of Perl required: ...

	 adam@red:~$

DESCRIPTION

       "perlver" is a console script created to provide convenient access to the functionality provided by Perl::MinimumVersion.

       --blame option shows code which requires this version of perl

       The synopsis above pretty much covers all you need to know at this point.

TO DO

       - Add PPI::Cache integration

       - Add PPI::Metrics integration (once it exists)

       - Add some sort of parseable output

SUPPORT

       All bugs should be filed via the bug tracker at

       <http://rt.cpan.org/NoAuth/ReportBug.html?Queue=Perl-MinimumVersion>

       For other issues, or commercial enhancement and support, contact the author

AUTHORS

       Adam Kennedy <adamk@cpan.org>

SEE ALSO

       PPI, Perl::MinimumVersion

COPYRIGHT

       Copyright 2005 - 2012 Adam Kennedy.

       This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

       The full text of the license can be found in the LICENSE file included with this module.

perl v5.16.3							    2013-01-16								PERLVER(1)
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