This works for me. There might be some glitches in the input format not shown in the sample, though.
#!/usr/bin/perl
use warnings;
use strict;
use Data::Dumper;
<>; # Skip the first
+ line.
my %hash;
my ($cell, $cellr);
while (my $header = <>) {
if ($header =~ /\b/) {
if ($header =~ /^CELL\s*$/) {
$cell = <>;
chomp $cell;
next;
}
my @pos;
my $flip;
while ($header =~ /(\b|$)/g) {
push @pos, $-[0] if ++$flip % 2; # Remember the p
+osition where a field starts.
}
chomp (my $value_line = <>);
if (length $header <= length $value_line) {
$pos[-1] = length $value_line; # Do not clip th
+e value line if longer then header.
} else {
$value_line .= ' ' x (length($header)); # Do not die if
+the last fields are empty.
}
my @values;
my @fields = split /\s+/, $header;
for my $i (0 .. $#fields) {
push @values, substr $value_line, $pos[$i], $pos[$i+1] - $
+pos[$i];
}
s/^ +| +$//g for @values;
if ($fields[0] eq 'CELLR') {
$cellr = shift @values;
shift @fields;
}
$hash{$cell}{$cellr}{$_} = shift @values for @fields;
}
}
print Dumper \%hash;
Updated: Keep the whole structure in one hash.