notegrep: "sl" parameter

util/notegrep/sl.sh

@@ -0,0 +1,19 @@
+:<<'info'
+shellnotes - sl.sh
+(C) Dimitris Marakomihelakis
+Released under the "All rights reserved" category. See the RIGHTS.txt file
+in /docs/github/ for its full text.
+info
+
+if [ -f $DEFAULT_PATH/$notename ]; then
+	out="$(grep -n $regex $DEFAULT_PATH/$notename | wc -l)"
+	if [ $out -eq 0 ]; then
+		echo "No matching lines found."
+	else
+		grep -n $regex $DEFAULT_PATH/$notename
+	fi
+
+else
+	echo "No such file."
+
+fi