timwienk · August 30, 2010 08:58 · anutron · Aug 30, 2010 · fabiomcosta · Aug 30, 2010
diff --git a/replace-bind.sh b/replace-bind.sh
 #!/bin/sh

 usage(){
 	echo 'Replaces all occurences of .bind(bind, args) with'
 	echo '.pass(args, bind) in the target files or directories.'
 	echo
 	echo "Usage: $0 [options] [paths...]"
 	echo
 	echo 'options:'
 	echo '  -h'
 	echo '  --help    Show this help.'
 	echo '  -n'
 	echo "  --dry-run Don't do anything, only show the files and lines"
 	echo '            that would be affected.'
 	echo
 	echo 'arguments:'
 	echo '  [paths]   Files and/or directories to search and replace.'
 	echo '            Defaults to the current working directory.'
 }

 while true; do
 	case "$1" in
 		-h|--help) usage; exit;;
 		-n|--dry-run) DRYRUN=1; shift;;
 		-*) echo "Unknown option '$1', ignoring." >&2; shift;;
 		--) shift; break;;
 		*) break;;
 	esac
 done

 ARGS=$@

 if [ -z "$ARGS" ]; then
 	ARGS='./'
 fi

 FILES=`grep -lr 'bind([^,)]\+,' $ARGS`

 if [ -z "$FILES" ]; then
 	echo 'No occurences of .bind(bind, args) found.'
 	exit 1
 fi

 if [ -n "$DRYRUN" ]; then
 	for F in $FILES; do
 		echo "$F:"
 		grep -nr 'bind([^,)]\+,' "$F"
 	done
 	exit
 fi

 echo "Replacing in files:"
 for F in $FILES; do
 	echo "- $F"
 	sed -i'.orig' 's/\.bind(\([^,]*\), *\([^)]*\))/\.pass(\2, \1)/g' "$F"
 done