package world.respect.testutil import java.io.File import java.io.FileFilter fun File.recursiveFindAndReplace( fileFilter: FileFilter, textReplacement: (String) -> String, ) { listFiles(fileFilter)?.forEach { val text = it.readText() it.writeText(textReplacement(text)) } this.listFiles( { file: File -> file.isDirectory })?.forEach { childDir -> childDir.recursiveFindAndReplace(fileFilter, textReplacement) } }