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Gmane
From: Alexey Morozov <alexeymorozov1991 <at> gmail.com>
Subject: Fwd: One letter protein sequence to three letters
Newsgroups: gmane.comp.lang.perl.bio.general
Date: Wednesday 27th March 2013 02:34:01 UTC (over 3 years ago)
Well, there is one little thing I don't get. Why is

if ( $hsp->percent_identity >= "$identity" )

any better than

if ( $hsp->percent_identity >= $identity)

Ie what do quotes do?
 
CD: 11ms