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| author | Chris Lu <chris.lu@gmail.com> | 2016-06-02 18:09:14 -0700 |
|---|---|---|
| committer | Chris Lu <chris.lu@gmail.com> | 2016-06-02 18:09:14 -0700 |
| commit | 5ce6bbf07672bf3f3c8d26cd2ce0e3e853a47c44 (patch) | |
| tree | 2e4dd2ad0a618ab2b7cdebcdb9c503526c31e2e8 /weed/command/shell.go | |
| parent | caeffa3998adc060fa66c4cd77af971ff2d26c57 (diff) | |
| download | seaweedfs-5ce6bbf07672bf3f3c8d26cd2ce0e3e853a47c44.tar.xz seaweedfs-5ce6bbf07672bf3f3c8d26cd2ce0e3e853a47c44.zip | |
directory structure change to work with glide
glide has its own requirements. My previous workaround caused me some
code checkin errors. Need to fix this.
Diffstat (limited to 'weed/command/shell.go')
| -rw-r--r-- | weed/command/shell.go | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/weed/command/shell.go b/weed/command/shell.go new file mode 100644 index 000000000..19c5049c5 --- /dev/null +++ b/weed/command/shell.go @@ -0,0 +1,61 @@ +package command + +import ( + "bufio" + "fmt" + "os" + + "github.com/chrislusf/seaweedfs/weed/glog" +) + +func init() { + cmdShell.Run = runShell // break init cycle +} + +var cmdShell = &Command{ + UsageLine: "shell", + Short: "run interactive commands, now just echo", + Long: `run interactive commands. + + `, +} + +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() { + var err error + if _, err = o.WriteString("> "); err != nil { + glog.V(0).Infoln("error writing to stdout:", err) + } + if err = o.Flush(); err != nil { + glog.V(0).Infoln("error flushing stdout:", err) + } + } + 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 != "" { + if _, err := o.WriteString(cmd); err != nil { + glog.V(0).Infoln("error writing to stdout:", err) + } + } + return 0 + } + + cmd := "" + for { + prompt() + cmd = readLine() + execCmd(cmd) + } +} |
