how to replace a string/word in a text file in groovy

Question

Hello I am using groovy 2.1.5 and I have to write a code which show the contens/files of a directory with a given path then it makes a backup of the file and replace a word/

Answer 1

As with nearly everything Groovy, AntBuilder is the easiest route:

ant.replace(file: "myFile", token: "NEEDLE", value: "replacement")