Insert a check for curl (#2013)

* Insert a check for curl

* typo

* confirmation messages

update.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 
 ### Linux .jar Update Script for ProfitTrailer
-### LAST UPDATED 23 JULY 2018
+### LAST UPDATED 09 August 2018
 
 ### Place this script in the root folder where all your individual bot folders are and then execute it.
 ### For simplicity each ProfitTrailer.jar file should be nested exactly one subfolder.
@@ -32,6 +32,40 @@ if ! [ -x "$(command -v unzip)" ]; then
 	### install unzip if the user wants to proceed ###
 	if [[ "$install" == "y" ]] || [[ "$install" == "Y" ]]; then
 		sudo apt install unzip
+		
+		if ! [ -x "$(command -v unzip)" ]; then
+			echo "$(tput setaf 1)Something went wrong.... $(tput sgr0)"
+			echo
+			exit
+		else
+			echo $(tput setaf 2)
+			echo "Unzip Installed"
+			echo $(tput sgr0)
+		fi
+	else
+		echo "$(tput setaf 1)Process Aborted.... $(tput sgr0)"
+		echo
+		exit
+	fi
+fi
+
+### Check if curl is installed ###
+if ! [ -x "$(command -v curl)" ]; then
+	read -p "Curl is not installed, Do you wish to install it (Y/N)? : " install
+	
+	### install curl if the user wants to proceed ###
+	if [[ "$install" == "y" ]] || [[ "$install" == "Y" ]]; then
+		sudo apt install curl
+		
+		if ! [ -x "$(command -v curl)" ]; then
+			echo "$(tput setaf 1)Something went wrong.... $(tput sgr0)"
+			echo
+			exit
+		else
+			echo $(tput setaf 2)
+			echo "Curl Installed"
+			echo $(tput sgr0)
+		fi
 	else
 		echo "$(tput setaf 1)Process Aborted.... $(tput sgr0)"
 		echo