Revert "add cmd/dump - a dumper"

This reverts commit 5d2a1e8d48.

weed-fs/src/cmd/weed/shell.go

@@ -1,53 +1,54 @@
 package main
 
 import (
-	"bufio"
-	"fmt"
-	"os"
+  "bufio"
+  "os"
+  "fmt"
 )
 
 func init() {
-	cmdShell.Run = runShell // break init cycle
+  cmdShell.Run = runShell // break init cycle
 }
 
 var cmdShell = &Command{
-	UsageLine: "shell",
-	Short:     "run interactive commands, now just echo",
-	Long: `run interactive commands.
+  UsageLine: "shell",
+  Short:     "run interactive commands, now just echo",
+  Long: `run interactive commands.
 
   `,
 }
 
-var ()
+var (
+)
 
 func runShell(command *Command, args []string) bool {
-	r := bufio.NewReader(os.Stdin)
-	o := bufio.NewWriter(os.Stdout)
-	e := bufio.NewWriter(os.Stderr)
-	prompt := func() {
-		o.WriteString("> ")
-		o.Flush()
-	}
-	readLine := func() string {
-		ret, err := r.ReadString('\n')
-		if err != nil {
-			fmt.Fprint(e, err)
-			os.Exit(1)
-		}
-		return ret
-	}
-	execCmd := func(cmd string) int {
-		if cmd != "" {
-			o.WriteString(cmd)
-		}
-		return 0
-	}
+  r := bufio.NewReader(os.Stdin)
+  o := bufio.NewWriter(os.Stdout)
+  e := bufio.NewWriter(os.Stderr)
+  prompt := func () { 
+    o.WriteString("> ")
+    o.Flush()
+  };
+  readLine := func () string { 
+    ret, err := r.ReadString('\n')
+    if err != nil { 
+       fmt.Fprint(e,err); 
+       os.Exit(1)
+    }
+    return ret
+  }
+  execCmd := func (cmd string) int { 
+    if cmd != "" { 
+      o.WriteString(cmd)
+    }
+    return 0
+  }
 
-	cmd := ""
-	for {
-		prompt()
-		cmd = readLine()
-		execCmd(cmd)
-	}
-	return true
+  cmd := ""
+  for { 
+    prompt()
+    cmd = readLine()
+    execCmd(cmd)
+  } 
+  return true
 }