Updated build scripts

README.md

@@ -15,6 +15,11 @@ protocol [here](https://wiki.hashsploit.net/Ratchet_and_Clank_3:Protocol).
 You can execute the `build.sh` or `build.bat` script to build the jar. Then
 you can execute the `launch.sh` or `launch.bat` script to run the jar located in `target/`.
 
+Example:
+```bash
+./launch.sh <mode> -k [key] -m <message>
+```
+
 ### CLI usage:
 
 ```bash

build.bat

@@ -1,2 +1,6 @@
 @echo off
+
+REM Remove old builds and rebuild
+RM target/*.jar
+mvn package
 mvn assembly:assembly

build.sh

@@ -1,2 +1,6 @@
 #!/bin/bash
+
+# Remove old build and rebuild
+rm target/*.jar
+mvn package
 mvn assembly:assembly

launch.bat

@@ -1,3 +1,8 @@
 @echo off
+
+REM TODO: check if jar doesn't exist prompt user to run
+REM build.bat first
+
 java -jar target/uya-medius-tool-*-jar-with-dependencies.jar $@
-pause
+
+PAUSE

launch.sh

@@ -1,3 +1,8 @@
 #!/bin/bash
 
+if [ ! -f target/uya-medius-tool-*-jar-with-dependencies.jar ]; then
+	echo -e "$(tput bold)$(tput setaf 1)Error: run ./build.sh first!$(tput sgr0)"
+	exit 1
+fi
+
 java -jar target/uya-medius-tool-*-jar-with-dependencies.jar $@