added configuration functionality to make updates work correctly

README.md

@@ -27,7 +27,9 @@ These three `.sh` files were created for Infern009's Factorio server, and use [B
 - Run the `start_server.sh` script.
   - If you haven't changed **Byobu's** configuration, you can detach from the terminal this spawns by pressing `Ctrl + A`, releasing those keys, then immediately pressing `D`.
 - Once the server is online, stop it with `/quit` from the Factorio server's console or by running the `stop_server.sh` script.
-- Modify the parameters in `start_server.sh`.
+- Copy the `config.sh.example` file.
+  - `cp config.sh.example config.sh`
+- Modify the parameters in `config.sh`.
   - `save_name` - This parameter controls the name of the save file this script will use to start the server.
   - If you have modified any default config files except for the `config.ini`, you'll want to change the commands' parameters to match those files. I'll assume you're storing them in the `./data` directory. You can find more arguments on the [Factorio Wiki](https://wiki.factorio.com/Command_line_parameters).
     - `extra_params_create=""` - This parameter adds additional flags to the `--create` command the script runs if a save matching `save_name` is not found.

config.sh.example

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+
+save_name="default"  # Set this to the name of your save file.
+
+# Don't change this unless you know what you're doing.
+# Set this to the custom parameters you want the --create command to use.
+extra_params_create=""
+
+# Don't change this unless you know what you're doing.
+# Set this to the custom parameters you want the --start_server command to use.
+extra_params_start_server=""

start_server.sh

@@ -1,14 +1,7 @@
 #!/usr/bin/env bash
 
-save_name="default"  # Set this to the name of your save file.
-
-# Don't change this unless you know what you're doing.
-# Set this to the custom parameters you want the --create command to use.
-extra_params_create=""
-
-# Don't change this unless you know what you're doing.
-# Set this to the custom parameters you want the --start_server command to use.
-extra_params_start_server=""
+# Fetch variables from config.sh
+source config.sh
 
 # Retrieves the script's directory and cd's into it.
 script_dir="$(cd "$(dirname "$0")" && pwd)"