f = new File("d:/temp/t.txt")
if(f.exists()){
f.eachLine{ line->
line = line.trim()
String[] elems = line.split('_')
for(int i = 0; i < elems.length; i++){
elems[i] = elems[i].toLowerCase()
if(i != 0){
String elem = elems[i]
char first = elem[0] as char
elems[i] = "" + (char)(first - 32) + elem.substring(1)
}
}
println elems.join()
}
}