Hi, I was creating a python script to rename all files in a directory as
specified by a given pattern. I know there are already programs that can
do this, but I am doing this as a learning exercise.
The format for the command is like this:
rename /home foo bar
... to change everything in /home with "foo" in it to "bar"
I got it working, but it's rather messy, and I was wondering if there's
a more elegant way to do it; after all, it is python :).
The .py file is attached.
Thanks all.
--
-Martin
#!/usr/bin/python
import os
import sys
def usage():
print "Usage:"
print "To replace all of \"foo\" with \"bar\" in /home:"
print "rename /home foo bar"
sys.exit(2)
if len(sys.argv[1:]) == 2: # If topectory not given, default to current topectory
top = os.getcwd()
word = sys.argv[1]
r_word = sys.argv[2]
elif len(sys.argv[1:]) < 2: # There should always be at least 2 arguments
usage()
else:
top = sys.argv[1]
word = sys.argv[2]
r_word = sys.argv[3]
if not os.path.exists(top):
print "No such file or topectory or insufficent permissons:", top
sys.exit(2)
for root, dir, files in os.walk(top):
for file in files:
newfile = file.replace(word , r_word)
os.rename(os.path.join(root, file), os.path.join(root, newfile))
if file != newfile:
print file, "renamed to", newfile
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