clean code

Author: oldratlee

README.md

@@ -10,7 +10,7 @@
 [![GitHub forks](https://img.shields.io/github/forks/oldratlee/useful-scripts.svg?style=social&label=Fork&)](https://github.com/oldratlee/useful-scripts/fork)
 
 
-把平时有用的手动操作做成脚本，这样可以便捷的使用。 :sparkles:
+:point_right: 把平时有用的手动操作做成脚本，这样可以便捷的使用。 :sparkles:
 
 有自己用的好的脚本 或是 平时常用但没有写成脚本的功能，欢迎提供（[提交Issue](https://github.com/oldratlee/useful-scripts/issues))和分享（[Fork后提交代码](https://github.com/oldratlee/useful-scripts/fork)）！ :sparkling_heart:
 

console-text-color-themes.sh

@@ -15,18 +15,14 @@ colorEcho() {
     local combination="$1"
     shift 1
 
-    [ -t 1 ] &&
-    echo "$_ctct_ec[${combination}m$@$_ctct_eend" ||
-    echo "$@"
+    [ -t 1 ] && echo "$_ctct_ec[${combination}m$@$_ctct_eend" || echo "$@"
 }
 
 colorEchoWithoutNewLine() {
     local combination="$1"
     shift 1
 
-    [ -t 1 ] &&
-    echo -n "$_ctct_ec[${combination}m$@$_ctct_eend" ||
-    echo -n "$@"
+    [ -t 1 ] && echo -n "$_ctct_ec[${combination}m$@$_ctct_eend" || echo -n "$@"
 }
 
 # if not directly run this script(use as lib), just export 2 helper functions,

parseOpts.sh

@@ -29,12 +29,8 @@ readonly _opts_eend=$'\033[0m' # escape end
 _opts_colorEcho() {
     local color=$1
     shift
-    if [ -t 1 ] ; then
-        # if stdout is console, turn on color output.
-        echo "$_opts_ec[1;${color}m$@$_opts_eend"
-    else
-        echo "$@"
-    fi
+    # if stdout is console, turn on color output.
+    [ -t 1 ] && echo "$_opts_ec[1;${color}m$@$_opts_eend" || echo "$@"
 }
 
 _opts_redEcho() {

swtrunk.sh

@@ -15,12 +15,8 @@ readonly eend=$'\033[0m' # escape end
 colorEcho() {
     local color=$1
     shift
-    if [ -t 1 ] ; then
-        # if stdout is console, turn on color output.
-        echo "$ec[1;${color}m$@$eend"
-    else
-        echo "$@"
-    fi
+    # if stdout is console, turn on color output.
+    [ -t 1 ] && echo "$ec[1;${color}m$@$eend" || echo "$@"
 }
 
 redEcho() {

test-cases/parseOpts-test.sh

@@ -16,12 +16,8 @@ readonly eend=$'\033[0m' # escape end
 colorEcho() {
     local color=$1
     shift
-    if [ -t 1 ] ; then
-        # if stdout is console, turn on color output.
-        echo "$ec[1;${color}m$@$eend"
-    else
-        echo "$@"
-    fi
+    # if stdout is console, turn on color output.
+    [ -t 1 ] && echo "$ec[1;${color}m$@$eend" || echo "$@"
 }
 
 redEcho() {