Depends on what you're doing ... but you could 
push @trace_rw, [ substr($_,0,10), substr($_,0,18) ];

...
$trace_rw[0][0];
$trace_rw[0][1];
...

use constant TRACE_CUR => 0;
use constant TRACE_ORIG => 1;
$trace_rw[0][TRACE_CUR];
$trace_rw[0][TRACE_ORIG];

[download]
to save a little on memory/speed

In reply to Re: I need your opinion on pushing two columns into an array by Anonymous Monk
in thread I need your opinion on pushing two columns into an array by drodinthe559

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