Add replace limit for sed

plugins/sed/sed.go

@@ -1,6 +1,7 @@
 package sed
 
 import (
+	"strconv"
 	"strings"
 
 	"github.com/godwhoa/oodle/oodle"
@@ -17,8 +18,8 @@ func SedHelp() oodle.Command {
 	return oodle.Command{
 		Prefix:      ".",
 		Name:        "sed",
-		Description: "Simple sed-like find and replace. Since it is simple you can't replace '/'",
-		Usage:       "s/{find}/{replace}/ ending '/' is optional",
+		Description: "Simple sed-like find and replace. Since it is simple you can't replace '/' or do escaping",
+		Usage:       "s/{find}/{replace}/{replace limit} replace limit defaults to all",
 		Fn: func(nick string, args []string) (reply string, err error) {
 			return ".sed is not an actual command. Do s/{find}/{replace} to use it. This exists since murii might do .help sed", nil
 		},
@@ -40,13 +41,20 @@ func Sed(sender oodle.Sender) oodle.Trigger {
 			if len(args) < 3 {
 				return
 			}
+			rlimit := -1
+			if len(args) > 3 {
+				i, err := strconv.Atoi(args[3])
+				if err == nil {
+					rlimit = i
+				}
+			}
 			// apply find n replace on user's last msg.
 			lastmsg, ok := usermsgs[nick]
 			if !ok {
 				sender.Sendf("Your last message was not found.")
 				return
 			}
-			newmsg := strings.Replace(lastmsg, args[1], args[2], -1)
+			newmsg := strings.Replace(lastmsg, args[1], args[2], rlimit)
 			sender.Sendf("<%s> %s", nick, newmsg)
 		} else {
 			// store it as user's last msg.