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Why am I getting this error?

P: n/a
I am attempting to write a script that will take a directory as an argument then go through said directory and rename files with a given extension (in this case .jpg)

here is what I have so far:
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  1. import os
  2. fileDir=os.listdir("c:\\Users\\Nathan\\Desktop\\Cell Pics\\")
  3. count = 1
  4. for fn in fileDir:
  6.     if fn[-4:] == '.jpg':
  7.         os.rename(fn,'%03i.jpg' % count)
  8.         count += 1
now, when I replace the directory above with '.' and drop the script into the directory I want to affect it will do its job perfectly. However when I have the directory put into the parameter of os.listdir and attempt to run it I get the following error:
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  1. Traceback (most recent call last):
  2.   File "C:/Python27/", line 7, in <module>
  3.     os.rename(fn,'%03i' % count)
  4. WindowsError: [Error 2] The system cannot find the file specified
What am I doing wrong?

I am using windows atm but this script is for UNIX. (if that matters let me know) I am pretty new to scripting and python (first week ever programming) so please be descriptive if at all possible!

thanks in advance!
Oct 8 '10 #1
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1 Reply

Expert Mod 2.5K+
P: 2,851
Join the path and the file name.
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  1. os.path.join("c:\\Users\\Nathan\\Desktop\\Cell Pics\\", fn)
Oct 8 '10 #2

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