Fixed file emptying bug

index.n0m

@@ -71,14 +71,19 @@ $ }
 # $1: string: restaurant to remove
 $ remove_restaurant () {
 $   enforce_arguments "${FUNCNAME[0]}" "$#" 1;
-$   grep -Fxv "$1" "$restaurant_file" | tee "$restaurant_file" >/dev/null;
+$   local temp_file;
+$   temp_file=$(mktemp);
+$   grep -Fxv "$1" "$restaurant_file" > "$temp_file";
+$   mv "$temp_file" "$restaurant_file";
 $ }
 #
 # $1: string: restuarant to add
 $ add_restaurant () {
 $   enforce_arguments "${FUNCNAME[0]}" "$#" 1;
-$   (grep -Fxv "$1" "$restaurant_file"; printf '%s\n' "$1") |\
-$     tee "$restaurant_file" >/dev/null;
+$   local temp_file;
+$   temp_file=$(mktemp);
+$   (grep -Fxv "$1" "$restaurant_file"; printf '%s\n' "$1") > "$temp_file";
+$   mv "$temp_file" "$restaurant_file";
 $ }
 #
 # $1 (optional): number: 0=don't overwrite, 1=overwrite