Weird Filenames

[Mike Nelson]

So I was untaring this backup today when I noticed a strange character 
at the end of a filename.

tar -vtzf online_md.dump.tar.gz
yeilds:
-rw-r--r-- root/root 2031604061 2005-02-04 01:05:56 
home/webuser/online_md/online_md.dump\r

After it untars  ll gives me this:

-rw-r--r--    1 root     root     2031604061 Feb  4 01:05 online_md.dump?

So I'm pretty sure that our backup script is including a \r in the 
filename. But how can I rename the file?

Any help?

-Mike Nelson