[Bioperl-l] Appending efetch results to a file
Mark A. Jensen
maj at fortinbras.us
Fri May 8 13:42:59 UTC 2009
> I need to request 100's of records, and to avoid stress the Entrez
> server I do my fetching inside a loop that increments the -retstart
> parameter in the factory.
This raises a question in my mind: should EUtilities use Bio::WebAgent rather
than LWP::UserAgent directly, and doesn't Bio::WebAgent have
magical properties that ease the server burden without having to
build it into the user code directly?
----- Original Message -----
From: "Warren Gallin" <wgallin at ualberta.ca>
To: "BioPerl List" <Bioperl-l at lists.open-bio.org>
Sent: Thursday, May 07, 2009 4:01 PM
Subject: [Bioperl-l] Appending efetch results to a file
> Hi,
>
> I am having trouble with a script that was working a few months ago,
> but has started giving unexpected results.
>
> I need to request 100's of records, and to avoid stress the Entrez
> server I do my fetching inside a loop that increments the -retstart
> parameter in the factory. This should append the fetched records to
> the file that I am using to collect all the records, but instead it is
> replacing the file. How can I make the get_Response append to an
> existing file instead of overwriting it?
>
> Warren Gallin
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>
>
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