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Re: OT: Perl problem



Hi,

I know nothing about Perl but can maybe help you with filesizes.
I don't know how Perl manages files or anything but, in general, it's a
good
idea to process the file in chunks of 128K or 256K.

Thanks,
Andy.

----- Original Message -----
From: "Tony Butler" <lists@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: Thursday, July 17, 2003 8:17 AM
Subject: [ukha_d] OT: Perl problem


> I know there's gonna be some perl whizzes here, so perhaps you could
help
me
> out as someone not at all familiar with perl:
>
> I need to read in a text file about 15Mb in size and basically split
it
into 80
> chars per line + a new line char on the end.
> and spit it out again
>
> eg. instead of AGATCAGTACTGACTTGATCAGTTACGTCATGTACGT
> have
> AGATATC
> CATGACT
> TAGCATA
> CATGATA
> [obviously that wasn't 80 chars, per line, but u get the idea.
>
> I'm thinking coz it's such a large file that reading it ann in one go
isn't a
> good idea :/  Am complete n00b to perl, so would appreciate any help.
>
> cheers,
>
> Tony
>
>
>
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