func ExampleReadLines() {
stream.Run(
stream.ReadLines(bytes.NewBufferString("the\nquick\nbrown\nfox\n")),
stream.Sort(),
stream.WriteLines(os.Stdout),
)
// Output:
// brown
// fox
// quick
// the
}
func dirCmd(
dir string, name string, args ...string,
) (*exec.Cmd, *bytes.Buffer, stream.Filter, error) {
cmd := exec.Command(name, args...)
cmd.Dir = dir
stdout, err := cmd.StdoutPipe()
if err != nil {
return nil, nil, nil, err
}
stderr := new(bytes.Buffer)
cmd.Stderr = stderr
return cmd, stderr, stream.ReadLines(stdout), nil
}