Refactor

install.sh

@@ -25,13 +25,7 @@ updateSystemClock() {
 
 printAndExit() {
     str="${1} Therefore, the installation process will stop, but you can continue where you left off by running:\n\nsh calsais"
-    newlines=$(printf "$str" | grep -c $'\n')
-    chars=$(echo "$str" | wc -c)
-    height=$(echo "$chars" "$newlines" | awk '{
-        x = (($1 - $2 + ($2 * 60)) / 60)
-        printf "%d", (x == int(x)) ? x : int(x) + 1
-    }')
-    whiptail --msgbox "$str" $((5+height)) 60 3>&1 1>&2 2>&3
+    calcHeightAndRun "whiptail --msgbox \"${str}\" HEIGHT 60"
     exit 1
 }