How to segregate a section from big file?

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LEARN ABOUT DEBIAN

number::range

Number::Range(3pm)					User Contributed Perl Documentation					Number::Range(3pm)

NAME

       Number::Range - Perl extension defining ranges of numbers and testing if a number is found in the range. You can also add and delete from
       this range.

SYNOPSIS

	 use Number::Range;

	 my $range = Number::Range->new("-10..10,12,100..120");
	 if ($range->inrange("13")) {
	   print "In range
";
	 } else {
	   print "Not in range
";
	 }
	 $range->addrange("200..300");
	 $range->delrange("250..255");
	 my $format = $range->range;
	 # $format will be '-10..10,12,100..120,200..249,256..300'

DESCRIPTION

       Number::Range will take a description of a range, and then allow you to test on if a number falls within the range. You can also add and
       delete from the range.

   RANGE FORMAT
       The format used for range is pretty straight forward. To separate sections of ranges it uses a "," or whitespace. To create the range, it
       uses ".." to do this, much like Perl's own binary ".." range operator in list context.

   METHODS
       new
	     $range = Number::Range->new("10..20","25..30");

	   Creates the range object. It will accept any number of ranges as its input.

       addrange
	     $range->addrange("22");

	   This will also take any number of ranges as input and add them to the existing range.

       delrange
	     $range->delrange("10");

	   This will also take any number of ranges as input and delete them from the existing range.

       inrange
	     $range->inrange("26"); my @results = $range->inrange("27","200");

	   This will take one or more numbers and check if each of them exists in the range. If passed a list, and in array context, it will
	   return a list of 0's or 1's, depending if that one was true or false in the list position. If in scalar context, it will return a
	   single 1 if all are true, or a single 0 if one of them failed.

       range
	     $format = $range->range; @numbers = $range->range;

	   Depending on context this will return either an array of all the numbers found in the range, for list context. For scalar context it
	   will return a range string.

       size
	     $size = $range->size;

	   This will return the total number of entries in the range.

   EXPORT
       None by default.

SEE ALSO

       Number::Tolerant, Tie::RangeHash, and Array::IntSpan for similar modules.

AUTHOR

       Larry Shatzer, Jr., <larrysh@cpan.org>

COPYRIGHT AND LICENSE

       Copyright (C) 2004-12 by Larry Shatzer, Jr.

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

perl v5.14.2							    2012-06-20							Number::Range(3pm)

Shell Programming and Scripting