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Looking for carriage returns would also identify files with legacy mac line endings. To fix both types:
perl -i -pe 's/\r\n?/\n/g' $(find . -type f -exec fgrep -l $'\r' "{}" \;)
There is 1 alternative - vote for the best!
its useful to run dos2unix command later on them.
Where ^M is entered by ctrl-v-m (v then m). Especially useful on cygwin when checking into a version control system. If you're not using all cygwin tools (e.g. strawberry perl instead of cygwin perl) you'll find yourself dealing with this constantly.
-U tells grep to process the file as binary; it needs this to work
-I ignores binary files so you won't get false positives
-l only prints the filename instead of the offending lines
-r recursive
If you can do better, submit your command here.
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