colinmarc-hdfs/cmd/hdfs/chown.go

59 строки
892 B
Go

package main
import (
"fmt"
"os"
"strings"
)
func chown(args []string, recursive bool) {
if len(args) < 2 {
printHelp()
}
parts := strings.SplitN(args[0], ":", 2)
owner := ""
group := ""
if len(parts) == 0 {
fatal("invalid owner string:", args[0])
} else if len(parts) == 1 {
owner = parts[0]
group = owner
} else {
owner = parts[0]
group = parts[1]
}
expanded, client, err := getClientAndExpandedPaths(args[1:])
if err != nil {
fatal(err)
}
visit := func(p string, fi os.FileInfo) {
err := client.Chown(p, owner, group)
if err != nil {
fmt.Fprintln(os.Stderr, err)
status = 1
}
}
for _, p := range expanded {
if recursive {
err = walk(client, p, visit)
if err != nil {
fmt.Fprintln(os.Stderr, err)
status = 1
}
} else {
info, err := client.Stat(p)
if err != nil {
fatal(err)
}
visit(p, info)
}
}
}