fix shellcheck

Author: DannyBen

examples/config/README.md

@@ -84,9 +84,12 @@ else
   echo "No such key: $key"
 fi
 
-# Example of how to assign the config value to a variable:
-# result=$(config_get "${args[key]}")
-# echo $result
+# Or, assign a default value if value not found
+config_get "$key" "the default value"
+
+# Or, assign the result to a variable
+result=$(config_get "$key")
+echo "$result"
 
 
 ```
@@ -162,6 +165,8 @@ saved: bashly = works
 
 ```shell
 world
+world
+world
 
 
 ```
@@ -170,6 +175,8 @@ world
 
 ```shell
 No such key: invalid_key
+the default value
+
 
 
 ```

examples/config/src/get_command.sh

@@ -12,5 +12,5 @@ config_get "$key" "the default value"
 
 # Or, assign the result to a variable
 result=$(config_get "$key")
-echo $result
+echo "$result"