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findreplace

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3.6 | 7 ratings Rate this file 21 Downloads (last 30 days) File Size: 2.77 KB File ID: #9447
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findreplace

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25 Dec 2005 (Updated )

This function finds and replaces strings in a text file

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Description

SYNTAX:

findreplace(file,otext,ntext)
findreplace(file,otext,ntext,match)

file: text file name (with or without path)
otext: text to be replaced (old text)
ntext: replacing text (new text)
match: either (1) for match case or (0) to ignore case. Default value is (1)

Example:

findreplace('sample.txt','Moller','Moler');
findreplace('sample.txt','jake','Jack',0);
findreplace('sample.txt','continue it is','continue its',0);

MATLAB release MATLAB 7.1.0 (R14SP3)
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Comments and Ratings (7)
20 Mar 2012 Ermes

Jalla!

17 May 2011 Lu  
13 Mar 2011 Giuseppe Romano  
01 Jan 2008 Ellis King

The problem with removing '%' comment lines in .m files is caused by the fprintf function using the same character to indicate input. This function can be improved for use with .m files by inserting the additional check inside the 'for' loop, prior to the fprintf call at line 117:

if strcmp(fext, '.m')
line{i} = strrep(line{i},'%','%%');
end

The logic ensures that the comments apply only for .m files.

Otherwise, it works fairly well.

09 Apr 2007 ahmet anĂ½l dindar

I've just used it. I have a *.dat file in which I want to change a specific number. It changes efficiently, but somehow the lines are re-arranged as one after each other horizontally instead of vertically with a small square character. It confuses me te follow the inputs in the files after using find/replace. Therefore, I sugges the author to succed keeping the original file as it was after applying the .m code.

19 Jul 2006 Chengzhou Wang

Hi,

After I ran this script to replace strings of my matlab files, I found that all my comment lines (with '%') are removed, which is not what I want. Can the author check why this is the case?

30 Jan 2006 x y

Great!
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