Merge pull request IBM-Cloud#5 from IBM-Cloud/evalextra

First support for basic --eval as per redis-cli

redli.go

@@ -32,6 +32,7 @@ var (
  rediscertfile = kingpin.Flag("certfile", "Self-signed certificate file for validation").Envar("REDIS_CERTFILE").File()
  rediscertb64 = kingpin.Flag("certb64", "Self-signed certificate string as base64 for validation").Envar("REDIS_CERTB64").String()
  forceraw = kingpin.Flag("raw", "Produce raw output").Bool()
+ eval = kingpin.Flag("eval", "Evaluate a script").File()
  commandargs = kingpin.Arg("commands", "Redis commands and values").Strings()
 )
 
@@ -114,6 +115,49 @@ func main() {
  }
 
  // We may not need to carry on setting up the interactive front end so...
+ if *eval != nil {
+ command := *commandargs
+
+ scriptsrc, err := ioutil.ReadAll(*eval)
+
+ if err != nil {
+ log.Fatal(err)
+ }
+
+ var args = make([]interface{}, len(command[1:]))
+
+ keycnt := 0
+ gotcomma := false
+
+ for i, d := range command {
+ if !gotcomma {
+ if d == "," {
+ gotcomma = true
+ } else {
+ args[i] = d
+ keycnt = keycnt + 1
+ }
+ } else {
+ args[i-1] = d
+ }
+ }
+
+ var iargs []interface{}
+ iargs = append(iargs, keycnt)
+ iargs = append(iargs, args...)
+
+ script := redis.NewScript(-1, string(scriptsrc[:]))
+ result, err := script.Do(conn, iargs)
+
+ if err != nil {
+ log.Fatal(err)
+ }
+
+ printRedisResult(result, false)
+
+ os.Exit(0)
+ }
+
  if *commandargs != nil {
  command := *commandargs
  var args = make([]interface{}, len(command[1:]))