"run" batch file to include all jar's lib folder

Directory structure:

folder
+- lib
|  +- aaaaa.jar
|  +- bbbbb.jar
|  +- ccccc.jar
+- lcp.bat
+- run-app.bat

Contents of lcp.bat:

SET LCP=%LCP%;%*

Contents of run-app.bat:

@ECHO OFF
SET LCP=.
FOR /R lib %%i IN ("*.jar") DO CALL lcp.bat %%i
java -cp "%LCP%" MyAppMain args