utils/lint/remove_trailing_whitespace.sh - llvm-project/llvm - Git at Google

 #!/bin/sh
 # Deletes trailing whitespace in-place in the passed-in files.
 # Sample syntax:
 #   $0 *.cpp

 perl -pi -e 's/\s+$/\n/' $*
	#!/bin/sh
	# Deletes trailing whitespace in-place in the passed-in files.
	# Sample syntax:
	# $0 *.cpp

	perl -pi -e 's/\s+$/\n/' $*