String find and replace

[Thomas Güttler]

hokiegal99 wrote:

> Thanks for the explanation, I can make it work this way:
> 
> import os, string
> setpath = raw_input("Enter the path: ")
> for root, dirs, files in os.walk(setpath):
>     fname = files
>     x = 'THIS'
>     y = 'THAT'
>     for fname in files:
>        myfile = file(os.path.join(root,fname), 'r')
>        mystr = myfile.read()
>        myfile.close()
>        search = string.find(mystr, x)
>        if search >=1:
>           string.replace(mystr, x, y)
>           print "Replacing", x, "with", y, "in", fname
> 
> If only I could actually make the change to the files! It works in
> theory, but not in practice ;) Anyone recommend how to actual write the
> change to the file? I'm new to this, so be kind.

I once wrote a replace recursive script. Maybe it helps you:
 http://www.thomas-guettler.de/scripts/replace-recursive.py.txt

thomas