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From: Rajeev Narayanan on 18 Mar 2010 08:14
Hello,

I have a file (temp.txt) and it has the some equation as given below:

p= x+y+z

I would like to replace the value of X with some value and save the file. However, the position of X is not known. Can someone help me with this. I appreciate it.

Thanks,
Rajeev
From: news.mathworks.com on 18 Mar 2010 10:09
Read the file (fread) in entirety, and use regexprep on the text of file to
replace a particular string. Write it back!
"Rajeev Narayanan" <rite2rajeev(a)gmail.com> wrote in message
news:hnt5ed$17s$1(a)fred.mathworks.com...
> Hello,
>
> I have a file (temp.txt) and it has the some equation as given below:
>
> p= x+y+z
>
> I would like to replace the value of X with some value and save the file.
> However, the position of X is not known. Can someone help me with this. I
> appreciate it.
>
> Thanks,
> Rajeev


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