Adds the ability to select a file by any substring of filename or title

Close #18

kb

@@ -171,8 +171,11 @@ findFile(){
 	vecho "findFile $*"
 	cd "$dataDir" || return
 	local filename
+	local options
+	local count
 
 	if [ "$#" -eq 1 ] && isInt "$1"; then
+		# if it's an integer, try to find an entry with that id
 		filename="$(echo "SELECT filename
 		FROM items WHERE id = '$(safeSQL "$1")'" |
 			sqlite3 "${sqliteFile}")"
@@ -190,8 +193,21 @@ findFile(){
 			echo "$filename.md"
 			exit 0
 		else
-			die "No such file or ID '$filename'"
+			# If we get here, try to find it in the db
-			exit 1
+			options="$( echo "SELECT filename from items
+					WHERE title LIKE '%$(safeSQL $filename)%'
+					UNION SELECT filename from items
+					WHERE filename LIKE '%$(safeSQL $filename)%'" |
+					sqlite3 "${sqliteFile}" )"
+			count="$(echo "$options" | wc -l)"
+			if [ "$count" -eq 0 ]; then
+				die "No such file or ID '$filename'"
+			elif [ "$count" -eq 1 ]; then
+				echo -n "$options"
+			else
+				die "Not a unique substring\n\n${NC}Could have been any of:
+$options"
+			fi
 		fi
 	fi
 }