From 3eb1122f2c3556ccb468394e67ac0a701881677e 2020-07-06 16:08:57
From: Branko Majic <branko@majic.rs>
Date: 2020-07-06 16:08:57
Subject: [PATCH] Noticket: [factorio_manager.sh] Use arithmetic compund command instead of let built-in command.

---

diff --git a/games/factorio_manager.sh b/games/factorio_manager.sh
index 4a6d12e4fbe9a779bb0e0a7e0892eb44762697cd..e4b36b751d0160b1215157ebd2426b906b9be8d5 100755
--- a/games/factorio_manager.sh
+++ b/games/factorio_manager.sh
@@ -843,7 +843,7 @@ function read_server_settings() {
                 settings_value[$key]="$value"
 
                 echo
-                let current_question++
+                (( current_question++ ))
             done
         fi
     done
@@ -1056,7 +1056,7 @@ function select_factorio_version() {
     echo
 
     for i in "${!game_versions_available[@]}"; do
-        let i++
+        (( i++ ))
         echo -n "  [$i] $(basename "${game_versions_available[$i-1]}")"
 
         # Highlight default version.
@@ -1214,7 +1214,7 @@ if [[ $command == set-game-dir ]]; then
     factorio_versions_found=0
     for candidate in "$game_installations_directory_target"/*; do
         if [[ -f $candidate/bin/x64/factorio ]]; then
-            let factorio_versions_found++
+            (( factorio_versions_found++ ))
         fi
     done