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Re: help with mainframe file

John Bokma
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GregD wrote:

> Im working with a mainframe file that contains packed decimal fields
> in some of the records. Each record (line) is supposed to be a fixed
> length of 200. Part of what Im working on is comparing the first 7

my $line;
my $prev = ""; # safe, since it is not 7 characters.
my $count = 0;
while (defined($line = <FILE>)) {

my $current = substr($line, 0, 7); # first 7 characters
next if $current eq $prev;

$prev = $current;

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