Re^2: Building up a string from a text file

Even shorter:

use strict;
my @outputs;

while (<DATA>) {
    my @fields = split;
    $outputs[$_] .= $fields[$_] . '|' for 0 .. 3;
}
chop @outputs;   # remove final '|';
print "$_\n" for ( @outputs );

__DATA__
ID1 > 66
ID2 between 6 10
ID3 < 7
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CountZero

A program should be light and agile, its subroutines connected like a string of pearls. The spirit and intent of the program should be retained throughout. There should be neither too little or too much, neither needless loops nor useless variables, neither lack of structure nor overwhelming rigidity." - The Tao of Programming, 4.1 - Geoffrey James

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