I cannot do split as they are separated by space.

That is precisely why you would use split. eg:

#!/usr/bin/perl

use strict;
use warnings;

while (<DATA>) {
        my @fields = split;
        print "Name = $fields[0], Dir = $fields[2]\n";
}

__DATA__
FileName   FilePath   FileDir
FileName2   FilePath2   FileDir2
FileName3   FilePath3   FileDir3
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