As far as managing the structure of the data goes, it looks like this should be sufficient:
#! /usr/bin/perl -w
use strict;
use Data::Dumper;
my %data;
while ( <DATA> ) {
chomp;
my ( $begin, $end, $tag, @vals ) = split /[-,:]/;
push @{$data{$begin}{$tag}{end_vals}}, $end;
push @{$data{$begin}{$tag}{vals}}, @vals;
}
print Dumper \%data;
__DATA__
100-233,MA,150:250
100-344,MA,350:
200-400,ER,
200-300,ER,576
I'll leave the formatting up to you. :-)
_______________
DamnDirtyApe
Those who know that they are profound strive for clarity. Those who
would like to seem profound to the crowd strive for obscurity.
--Friedrich Nietzsche
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