func main() {
flag.Parse()
paths := flag.Args()
switch len(paths) {
case 0:
msg.Errln("mv: missing file operand")
case 1:
msg.Errf("mv: missing destination operand after %q\n", paths[0])
case 2:
src, dest := paths[0], paths[1]
err := shared.Move(src, dest)
if err != nil {
msg.Errf("mv: %s\n", err)
os.Exit(1)
}
// More than 2 arguments.
default:
srcs, dest := paths[:len(paths)-1], paths[len(paths)-1]
var exitcode int
for _, src := range srcs {
err := shared.Move(src, dest)
if err != nil {
msg.Errf("mv: %s\n", err)
exitcode++
}
}
os.Exit(exitcode)
}
}
func main() {
flag.Parse()
if recursive {
remove = os.RemoveAll
}
paths := flag.Args()
if len(paths) < 1 {
msg.Errln("rm: no files given")
}
for _, p := range paths {
for p != "." {
err := remove(p)
if err != nil {
msg.Errf("rm: %s\n", err)
}
if !parents {
break
}
p = path.Dir(p)
}
}
}
func main() {
var (
// Filenames
paths []string
path string
// Raw content of a file
raw []byte
// The file to read
file io.ReadCloser
err error
)
flag.Parse()
paths = flag.Args()
// Read from stdin when called without arguments.
if len(paths) < 1 {
paths = append(paths, "-")
}
for _, path = range paths {
if path == "-" {
file = os.Stdin
} else {
file, err = os.Open(path)
if err != nil {
msg.Errf("cat: %s\n", err)
continue
}
defer file.Close()
}
raw, err = ioutil.ReadAll(file)
if err != nil {
msg.Errf("cat: %v\n", err)
} else {
fmt.Printf("%s", string(raw))
}
}
}
func main() {
flag.Parse()
files := flag.Args()
if len(files) != 2 {
msg.Errln("Need 2 arguments.")
os.Exit(1)
}
src, dest := files[0], files[1]
err := shared.Copy(src, dest)
if err != nil {
msg.Errf("cp: %s\n", err)
os.Exit(1)
}
}
func main() {
var (
bytes, total_bytes int
chars, total_chars int
words, total_words int
lines, total_lines int
// The file to read
file io.ReadCloser
err error
)
flag.Parse()
// This is only true if all flags are unset or false.
print_all := !(print_bytes || print_chars || print_lines || print_words)
paths := flag.Args()
// Read from stdin when called without arguments.
if len(paths) < 1 {
paths = append(paths, "-")
}
// TODO: this is duplicate code with cat and probably every program that
// will read from stdin when no input files are given. Move it to shared.
for _, path := range paths {
if path == "-" {
file = os.Stdin
} else {
file, err = os.Open(path)
if err != nil {
msg.Errf("cat: %s\n", err)
continue
}
defer file.Close()
}
raw, err := ioutil.ReadAll(file)
if err != nil {
msg.Errf("wc: %v\n", err)
continue
}
//str := string(raw)
//runes := []rune(str)
// TODO: This is quick, dirty, and inefficient, and should be done in a
// linear way.
//bytes = len(raw)
//chars = len(runes)
//words = len(strings.Split(str, ""))
//lines = len(strings.Split(str, "\n"))
bytes, chars, words, lines = Count(raw)
total_bytes += bytes
total_chars += chars
total_words += words
total_lines += lines
if print_all {
fmt.Printf("%d %d %d %d %s\n", lines, words, chars, bytes, path)
continue
}
if print_lines {
fmt.Printf("%d ", lines)
}
if print_words {
fmt.Printf("%d ", words)
}
if print_chars {
fmt.Printf("%d ", chars)
}
if print_bytes {
fmt.Printf("%d ", bytes)
}
fmt.Println(path)
}
if len(paths) > 1 {
if print_all {
fmt.Printf("%d %d %d %d total\n",
total_lines, total_words, total_chars, total_bytes)
return
}
if print_lines {
fmt.Printf("%d ", total_lines)
}
if print_words {
fmt.Printf("%d ", total_words)
}
if print_chars {
fmt.Printf("%d ", total_chars)
}
if print_bytes {
fmt.Printf("%d ", total_bytes)
}
fmt.Println("total")
}
}
