def walou = "WALOU" def changedFiles = "Swagger/TEST.json\nSwagger/TEST.yaml\nSwagger/TEST.txt\n" def changedYamlFilesWithoutSuffix = changedFiles.split('\n').findAll { it.startsWith("Swagger/") && !it.endsWith(".yaml") } if(changedYamlFilesWithoutSuffix){ changedYamlFilesWithoutSuffix.each { println (it + " doesn't have .yaml suffix and must be changed") } } else println walou