On May 14, 2009, at 9:56 AM, Charles Howse wrote: > Hi, > I need to batch rename all files with extension .PDF to > extension .pdf. > They may or may not have spaces in the filenames. > > The following works ONLY if there are no spaces in the filename: > > for f in *.PDF; do > base=`basename $f .PDF` > mv $f $base.pdf > done > > Can anyone provide a tip to something that will work regardless of > whether there are spaces in the filenames or not? I would try double-quoting both the $f and the $base.pdf args in the mv command, i.e.: mv "$f" "$base.pdf" In any case, you can always do a "set -x" just before the loop to see what each line in every iteration is producing. Let me know if it works, hope it helps! -jmpp