watcher a file's change and then build another project
need a file 'watcher.config' in current dir, here is some config
//watch some files
dir:C:\Users\greedy\Desktop\dest
//and then in where
target:C:\Users\greedy\Desktop\dest1
//do what
bat:D:\Work\git-pro\file-watcher\src\target.bat1
//min interval
interval:10000