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From: Rune Allnor <allnor@tele.ntnu.no>
Newsgroups: comp.soft-sys.matlab
Subject: Re: Textread
Date: Wed, 1 Jul 2009 12:05:55 -0700 (PDT)
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On 1 Jul, 20:53, "Jesper Lauridsen" <jesperhols...@hotmail.com> wrote:

> Hey everybody. Thank you very much for all your comments. The text file I have contain 4 columns and 800000 rows each. I have to replace the commas with dots in all rows and columns. Therefor I would prefer if it is possible til replace the commas, without writing a new file as Rune surgest.

Why is writing a new file a problem? The file can't be *that*
big. 800000 lines of 50 characters each isn't more than 40 MBytes.
I am sure you have disk space for that.

Rune