FileCollection sources

                @OutputFile
                File outputFile

                public TaskWithInputs() {
                    sources = project.files()
                }

                @TaskAction
                void doSomething() {
                    outputFile.withWriter { writer ->
                        sources.each { writer.println it }

                @TaskAction
                void doTask() {
                    File outputFile = getOutputDir().get().asFile
                    outputFile.deleteDir()
                    outputFile.mkdirs()
                    for (int i = 0; i < getInputCount().get(); i++) {
                        new File(outputFile, i.toString()).mkdirs()
                    }
                }
            }

                output = layout.buildDirectory.file("out.txt")
            }
        """
        def outputFile = file("build/out.txt")

        when:
        configurationCacheRun "a"

        then:
        result.assertTasksExecutedAndNotSkipped(":a")
        outputFile.assertIsFile()

        when:
        configurationCacheRun "a"

        then:

        zipFile.stream().forEach { entry ->
            if (entry.shouldInclude()) {
                val outputFile = outputRoot.resolve(entry.name)
                outputFile.parentFile.mkdirs()
                zipFile.getInputStream(entry).use { input ->
                    outputFile.outputStream().use { output ->
                        input.copyTo(output)
                    }
                }
            }

                FileCollection sources

                @OutputFile
                File outputFile

                public TaskWithInputs() {
                    sources = project.files()
                }

                @TaskAction
                void doSomething() {
                    outputFile.withWriter { writer ->
                        sources.each { writer.println it }

)

func preprocess(profileFile string, outputFile string) error {
	f, err := os.Open(profileFile)
	if err != nil {
		return fmt.Errorf("error opening profile: %w", err)
	}
	defer f.Close()

	r := bufio.NewReader(f)
	d, err := pgo.FromPProf(r)
	if err != nil {
		return fmt.Errorf("error parsing profile: %w", err)
	}

	var out *os.File
	if outputFile == "" {
		out = os.Stdout
	} else {

            apply plugin: 'base'

            task cacheable {
                def outputFile = new File(buildDir, "output")
                inputs.file("input")
                outputs.file(outputFile)
                outputs.cacheIf { true }

                doLast {
                    outputFile.parentFile.mkdirs()
                    outputFile.text = "done"
                }
            }
        """

            }
        """.stripIndent()


        def outputFile = file('build/output.txt')
        outputFile.text = "pre-existing"
        file('input.txt').text = 'input file'

        expect:
        fails('myTask')
        failureDescriptionContains(cannotCreateRootOfFileTree {
            property('output')
                .dir(outputFile)
                .includeLink()
        })

    def "detect changes to broken symlink outputs in OutputFile"() {
        def root = file("root").createDir()
        def target = file("target")
        def link = root.file("link")
        buildFile << """
            import java.nio.file.*
            class ProducesLink extends DefaultTask {
                @OutputFile Path outputFileLink

                @TaskAction execute() {

                @InputFiles
                abstract ConfigurableFileCollection getInputFiles()

                @OutputFile
                abstract RegularFileProperty getOutputFile()

                @TaskAction
                void run() {
                    outputFile.get().asFile.text = inputFiles.files.collect { it.text }.join()
                }
            }