str.go

@@ -6,7 +6,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"math/rand"
-	"os"
 	"strings"
 	"time"
 )
@@ -17,10 +16,7 @@ const (
 )
 
 // get random number string with length.
-var GetRandomString = GetRandomNumString
+func GetRandomString(l int) string {
-
-// get random number string with length.
-func GetRandomNumString(l int) string {
 	str := NUMBERSTRING
 	bytes := []byte(str)
 	result := []byte{}
@@ -43,7 +39,7 @@ func GetRandomCharString(l int) string {
 	return string(result)
 }
 
-// skip
+//skip
 func Skip(s string, sep string, n int) string {
 	seplen := len(sep)
 	if seplen == 0 || n < 0 {
@@ -105,9 +101,8 @@ func JsonstrToStrMap(jsonstr string) (m map[string]string) {
 }
 
 // string to string map to string
-//
+//   example: "K1:V1;K2:V2"
-//	example: "K1:V1;K2:V2"
+//         => {K1:V1, K2:V2}
-//	      => {K1:V1, K2:V2}
 func StringToStrMap(str string, sep1, sep2 string) (m map[string]string) {
 	m = map[string]string{}
 	for _, kvstr := range strings.Split(str, sep1) {
@@ -117,20 +112,3 @@ func StringToStrMap(str string, sep1, sep2 string) (m map[string]string) {
 	}
 	return m
 }
-
-// get os env with default
-func GetEnvDefault(key, defval string) string {
-	if val, ok := os.LookupEnv(key); ok {
-		return val
-	} else {
-		return defval
-	}
-}
-
-// fix hex string to no 0x prefix
-func FixToNo0x(hexstr string) string {
-	if strings.HasPrefix(hexstr, "0x") {
-		return hexstr[2:]
-	}
-	return hexstr
-}