// but then if ReadFile reads just a single byte at offset 0,
	// the read at offset 1 returns EOF instead of more data.
	// ReadFile has a minimum read size of 512 to work around this,
	// but test explicitly that it's working.
	name := "/proc/sys/fs/pipe-max-size"
	if _, err := Stat(name); err != nil {
		t.Skip(err)
	}
	data, err := ReadFile(name)
	if err != nil {
		t.Fatal(err)
	}

		errprintf("cp %s %s\n", src, dst)
	}
	writefile(readfile(src), dst, flag)
}

// dopack copies the package src to dst,
// appending the files listed in extra.
// The archive format is the traditional Unix ar format.
func dopack(dst, src string, extra []string) {
	bdst := bytes.NewBufferString(readfile(src))
	for _, file := range extra {
		b := readfile(file)
		// find last path element for archive member name

		}
	}

	{
		buf := make([]byte, 5)
		// Test for negative offset.
		if _, err = xlStorage.ReadFile(context.Background(), volume, "myobject", -1, buf, v); err == nil {
			t.Fatalf("expected: error, got: <nil>")
		}
	}

	for l := 0; l < 2; l++ {
		// Following block validates all ReadFile test cases.
		for i, testCase := range testCases {
			var n int64
			// Common read buffer.

// tries to verify whether the disk has bitrot.
//
// Additionally ReadFile also starts reading from an offset. ReadFile
// semantics are same as io.ReadFull.
func (s *xlStorage) ReadFile(ctx context.Context, volume string, path string, offset int64, buffer []byte, verifier *BitrotVerifier) (int64, error) {
	if offset < 0 {
		return 0, errInvalidArgument
	}

	volumeDir, err := s.getVolDir(volume)
	if err != nil {

               }
            }
        '''.stripIndent()

        when:
        run 'copy'

        then:
        def it = file('dest/two.a').readLines().iterator()
        it.next().startsWith('6')
        it.next().startsWith('11')
        it.next().startsWith('16')
    }

    def "can rename files in eachFile() action defined using Groovy closure"() {

//sys	readFile(handle Handle, buf []byte, done *uint32, overlapped *Overlapped) (err error) = ReadFile
//sys	writeFile(handle Handle, buf []byte, done *uint32, overlapped *Overlapped) (err error) = WriteFile

		}
	}
	return filter, nil
}

var packageRE = regexp.MustCompile(`(?m)^package ([\p{Lu}\p{Ll}\w]+)`)

func getPackageNameFromSource(fn string) (string, error) {
	data, err := os.ReadFile(fn)
	if err != nil {
		return "", err
	}
	pkgname := packageRE.FindStringSubmatch(string(data))
	if pkgname == nil {
		return "", fmt.Errorf("cannot find package name in %s", fn)
	}

//sys	SetNamedPipeHandleState(pipe Handle, state *uint32, maxCollectionCount *uint32, collectDataTimeout *uint32) (err error) = SetNamedPipeHandleState
//sys	readFile(handle Handle, buf []byte, done *uint32, overlapped *Overlapped) (err error) = ReadFile
//sys	writeFile(handle Handle, buf []byte, done *uint32, overlapped *Overlapped) (err error) = WriteFile

            transformStep2(slf4jNew),

            transformStep1(libWithSlf4New),
            transformStep2(libWithSlf4New),
        )

        def outputLines = output.readLines()
        def app1Resolve = outputLines.indexOf("> Task :app:resolveGreen")
        def app2Resolve = outputLines.indexOf("> Task :app2:resolveGreen")

		}
	}

	// Look for Godeps.json declaring import path.
	data, _ := os.ReadFile(filepath.Join(dir, "Godeps/Godeps.json"))
	var cfg1 struct{ ImportPath string }
	json.Unmarshal(data, &cfg1)
	if cfg1.ImportPath != "" {
		return cfg1.ImportPath, nil
	}

	// Look for vendor.json declaring import path.
	data, _ = os.ReadFile(filepath.Join(dir, "vendor/vendor.json"))
	var cfg2 struct{ RootPath string }