func cmdCat(subFlags *flag.FlagSet, args []string) error {
var (
longListing = subFlags.Bool("l", false, "long listing")
force = subFlags.Bool("f", false, "no warning on nonexistent node")
)
subFlags.Parse(args)
if subFlags.NArg() == 0 {
return fmt.Errorf("cat: no path specified")
}
resolved, err := zk.ResolveWildcards(zconn, subFlags.Args())
if err != nil {
return fmt.Errorf("cat: invalid wildcards: %v", err)
}
if len(resolved) == 0 {
// the wildcards didn't result in anything, we're done
return nil
}
hasError := false
for _, arg := range resolved {
zkPath := fixZkPath(arg)
data, _, err := zconn.Get(zkPath)
if err != nil {
hasError = true
if !*force || !zookeeper.IsError(err, zookeeper.ZNONODE) {
log.Warningf("cat: cannot access %v: %v", zkPath, err)
}
} else {
if *longListing {
fmt.Printf("%v:\n", zkPath)
}
fmt.Print(data)
if len(data) > 0 && data[len(data)-1] != '\n' && (terminal.IsTerminal(os.Stdout.Fd()) || *longListing) {
fmt.Print("\n")
}
}
}
if hasError {
return fmt.Errorf("cat: some paths had errors")
}
return nil
}
func cmdCat(args []string) {
if len(args) == 0 {
log.Fatal("cat: no path specified")
}
args, err := zk.ResolveWildcards(zconn, args)
if err != nil {
log.Fatalf("cat: invalid wildcards: %v", err)
}
if len(args) == 0 {
// the wildcards didn't result in anything, we're done
return
}
hasError := false
for _, arg := range args {
zkPath := fixZkPath(arg)
data, _, err := zconn.Get(zkPath)
if err != nil {
hasError = true
if !*force || !zookeeper.IsError(err, zookeeper.ZNONODE) {
log.Printf("cat: cannot access %v: %v", zkPath, err)
}
} else {
if *longListing {
fmt.Printf("%v:\n", zkPath)
}
fmt.Print(data)
if len(data) > 0 && data[len(data)-1] != '\n' && (terminal.IsTerminal(os.Stdout.Fd()) || *longListing) {
fmt.Print("\n")
}
}
}
if hasError {
os.Exit(1)
}
}