replace if statement with parameter expansion

neofetch

@@ -3876,18 +3876,8 @@ prin() {
         length="${#length}"
     fi
 
-    # Make sure $sep is unset
-    unset -v sep
-
-    # Check if $seperator is set
-    if [[ $seperator ]]; then
-        sep=$seperator
-    else
-        sep=":"
-    fi
-
     # Format the output.
-    string="${string/:/${reset}${colon_color}${sep}${info_color}}"
+    string="${string/:/${reset}${colon_color}${separator:=:}${info_color}}"
     string="${subtitle_color}${bold}${string}"
 
     # Print the info.
@@ -4508,7 +4498,7 @@ get_args() {
             "--underline") underline_enabled="$2" ;;
             "--underline_char") underline_char="$2" ;;
             "--bold") bold="$2" ;;
-            "--seperator") seperator="$2" ;;
+            "--separator") separator="$2" ;;
 
             # Color Blocks
             "--color_blocks") color_blocks="$2" ;;