This loops through the lines, getting the Fanout value from the lines with INT_NET, and if it's equal to or greater than the maximum Fanout value so far, it saves that line along with its Fanout value as a 2-element array reference in the array @lines.
Once it's done, it has the largest Fanout value in $max and all the lines with that value (along with some other lines, possibly) as the first elements in the array @lines. The map/grep statement goes through those, grepping for the ones with the $max Fanout value and then using map to pull out the line itself and pass that to print.
#!/usr/bin/env perl
use 5.010; use warnings; use strict;
my $max = 0;
my @lines; # 2D array, each element holding a line and its Fanout val
+ue
while (<DATA>){
if (/(\d+)\s+INT_NET/ and $1 >= $max ){
push @lines, [$_,$1];
$max = $1;
}
}
print for map { $_->[0] } grep { $_->[1] == $max } @lines;
__DATA__
Fanout Type Name
--------------------------
2 INT_NET Net : c_c
Driver: c_pad
2 INT_NET Net : b_c
Driver: b_pad
2 INT_NET Net : a_c
Driver: a_pad
1 INT_NET Net : sum_c
Driver: sum_1_SUM0_0
1 INT_NET Net : N_5
Driver: sum_1_CO0_i
Aaron B.
Available for small or large Perl jobs and *nix system administration; see my home node.
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