From 1df8f4cec99b72ffbf6c56536f4a563a6b0d260b Mon Sep 17 00:00:00 2001
From: Remisa Yousefvand <remisa.yousefvand@gmail.com>
Date: Fri, 21 Dec 2018 00:34:30 +0330
Subject: [PATCH] v4.1.1

---
 CHANGELOG.md           |  5 +++++
 COMMANDS.md            | 16 +++++++++++++---
 README.md              |  5 +++++
 package-lock.json      |  2 +-
 package.json           |  2 +-
 snippets/snippets.json | 11 ++++++++---
 6 files changed, 33 insertions(+), 8 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index ca86b24..56b534d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Change Log
 
+## 4.1.1
+
+- Minor bugs fixed.
+- `let` added for arithmetic operations.
+
 ## 4.0.0
 
 - fixed issues [3](https://github.com/remisa-yousefvand/shellman/issues/3), [4](https://github.com/remisa-yousefvand/shellman/issues/4), [5](https://github.com/remisa-yousefvand/shellman/issues/5), [6](https://github.com/remisa-yousefvand/shellman/issues/6), [7](https://github.com/remisa-yousefvand/shellman/issues/7)
diff --git a/COMMANDS.md b/COMMANDS.md
index 13132bd..381cb1e 100644
--- a/COMMANDS.md
+++ b/COMMANDS.md
@@ -252,6 +252,8 @@
 
 - [switch case](#switch-case)
 
+- [let](#let)
+
 - [expr](#expr)
 
 - [math ++](#math-++)
@@ -1241,7 +1243,7 @@ temp=${string%%"substring"*} && indexOf=`echo ${string%%"substring"*} | echo ${#
 if integers are equal [&uarr;](#Commands)
 
 ```bash
-if (( int1 = ${2:int2} )); then
+if (( int1 == ${2:int2} )); then
   echo equal
 fi
 ```
@@ -1311,7 +1313,7 @@ fi
 if path exists (file, directory, link...) [&uarr;](#Commands)
 
 ```bash
-if [ -e "$path"; then
+if [ -e "$path" ]; then
   echo exists
 fi
 ```
@@ -1521,12 +1523,20 @@ case "$item" in
 esac
 ```
 
+## `let`
+
+arithmetic operations [&uarr;](#Commands)
+
+```bash
+let "result = var1 ${3|+,-,*,/,%|} var2"
+```
+
 ## `expr`
 
 arithmetic operations [&uarr;](#Commands)
 
 ```bash
-expr 2 * 3
+expr 2 ${2|+,-,\*,/,%|} 3
 ```
 
 ## `math ++`
diff --git a/README.md b/README.md
index 3c41297..dbffcf4 100644
--- a/README.md
+++ b/README.md
@@ -128,6 +128,11 @@ Call function which is declared by `fn...`
 
 ## Release Notes
 
+### 4.1.1
+
+- Minor bugs fixed.
+- `let` added for arithmetic operations.
+
 ### 4.0.0
 
 - fixed issues [3](https://github.com/remisa-yousefvand/shellman/issues/3), [4](https://github.com/remisa-yousefvand/shellman/issues/4), [5](https://github.com/remisa-yousefvand/shellman/issues/5), [6](https://github.com/remisa-yousefvand/shellman/issues/6), [7](https://github.com/remisa-yousefvand/shellman/issues/7)
diff --git a/package-lock.json b/package-lock.json
index 0f969ba..0daaa26 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
     "name": "shellman",
-    "version": "4.0.0",
+    "version": "4.1.1",
     "lockfileVersion": 1,
     "requires": true,
     "dependencies": {
diff --git a/package.json b/package.json
index 8ea2e59..4b7549b 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
     "name": "shellman",
     "displayName": "shellman",
     "description": "Bash script snippet",
-    "version": "4.0.0",
+    "version": "4.1.1",
     "publisher": "Remisa",
     "icon": "images/icon.png",
     "license": "SEE LICENSE IN LICENSE.md",
diff --git a/snippets/snippets.json b/snippets/snippets.json
index 45e330f..2e57cd3 100644
--- a/snippets/snippets.json
+++ b/snippets/snippets.json
@@ -598,7 +598,7 @@
   "if_int_equal": {
     "prefix": "if int =",
     "body": [
-      "if (( ${1:int1} = ${2:int2} )); then",
+      "if (( ${1:int1} == ${2:int2} )); then",
       "\t${3:echo equal}",
       "fi\n"
     ],
@@ -661,7 +661,7 @@
   "if_exists": {
     "prefix": "if exists",
     "body": [
-      "if [ -e \"\\$${1:path}\"; then",
+      "if [ -e \"\\$${1:path}\" ]; then",
       "\t${0:echo exists}",
       "fi\n"
     ],
@@ -846,9 +846,14 @@
     ],
     "description": "switch case"
   },
+  "let": {
+    "prefix": "let",
+    "body": "let \"${1:result} = ${2:var1} ${3|+,-,*,/,%|} ${4:var2}\"\n",
+    "description": "arithmetic operations"
+  },
   "expr": {
     "prefix": "expr",
-    "body": "expr ${0:2 * 3}\n",
+    "body": "expr ${1:2} ${2|+,-,\\*,/,%|} ${3:3}\n",
     "description": "arithmetic operations"
   },
   "math_inc": {