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Wed Apr 18 17:48:06 EDT 2001 · http://mail.python.org/pipermail/python-list/2001-April/086046.html

Thanks the os.system call seems the simplest. If a have list variables
in my python code (for example, the file name I want to convert) how can
I pass that variable to the os.system call. For example... something
like this

os.system(" convert FILE1 FILE2 ") - yet FILE1 and FILE2 are string
variables in my script.

Thanks,
Chris

-----Original Message-----
From: Fredrik Lundh [mailto:fredrik at pythonware.com]
Sent: Wednesday, April 18, 2001 3:20 PM
To: python-list at python.org
Subject: Re: I need to convert PNG images to JPG..can python help

Chris Richard Adams wrote:

> I've been using ImageMagick on Linux to convert images from 
PNG to JPG,
> but now need to include that code in a python script.  My 
options are to
> somehow figure out how do call imagemagick's 'convert' from a python
> script or to use a library/module within python.  Anyone have an
> tips/advice?

import os
os.system("convert ...")

or, using PIL (http://www.pythonware.com/products/pil):

import Image
im = Image.open("infile.png")
im.save("outfile.jpg")

Cheers /F

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I need to convert PNG images to JPG..can python help