for file in $(find /path/to/dir -type f); do
tr -d '\r' <$file >temp.$$ && mv temp.$$ $file
done
In order to give credit where it's due, a user named blowtorch gave the tip at the following forum.
A blog dedicated to text editing and general exploration of computing knowledge
for file in $(find /path/to/dir -type f); do
tr -d '\r' <$file >temp.$$ && mv temp.$$ $file
done