[Bioperl-l] One letter protein sequence to three letters

[Fields, Christopher J]

You are correct.   Quotes should be unnecessary in this case, percent identities are calculated I believe from the midline.

chris

On Mar 26, 2013, at 9:50 PM, "Smithies, Russell" <Russell.Smithies at agresearch.co.nz> wrote:

> Not 100% sure but is the first one going to do a string compare rather than a numeric compare?
> Or is there a chance that $identity is going to contain a string rather than a float?
> 
> I could be completely wrong of course  ...
> 
> --Russell
> -- 
> 
> 
> -----Original Message-----
> From: bioperl-l-bounces at lists.open-bio.org [mailto:bioperl-l-bounces at lists.open-bio.org] On Behalf Of Alexey Morozov
> Sent: Wednesday, 27 March 2013 3:34 p.m.
> To: Bioperl-l at lists.open-bio.org
> Subject: [Bioperl-l] Fwd: One letter protein sequence to three letters
> 
> 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?
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