perl to python

[Olivier Scalbert]

John Roth wrote:

>"Olivier Scalbert" <olivier.scalbert at algosyn.com> wrote in message
>news:409e86e9$0$22811$a0ced6e1 at news.skynet.be...
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>>Hello ,
>>
>>What is the python way of doing this :
>>perl -pi -e 's/string1/string2/' file
>>?
>>Thanks
>>Olivier
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>
>I'm not sure what the -pi and -e switches do, but the
>rest is fairly simple, although not as simple as the perl
>one-liner.
>
>Just load the file into a string variable, and either
>use the string .replace() method, or use a regx,
>depending on which is appropriate. Then write
>it back out.
>
>from the python prompt (not the command prompt)
>that's something like: (untested)
>
>var = open("file", "r").read().replace("string1", "string2")
>open("file", "w").write(var)
>
>I think this is about as obfusticated as you can get -
>you'll lose the file if you try for a one-liner.
>
>John Roth
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Thx John !