added folder and file to delete capabilities for download_file.sh

xcode/aux_scripts/download_file.sh

@@ -1,19 +1,19 @@
 file_name=$1
 file_link=$2
-folder_to_delete=$3
-file_to_delete=$4
+folder=$3
+flag_of_delete=$4
 
-folder="Downloads"
-file_path="./${folder}/${file_name}"
+key_of_delete="--remove-cached"
+default_folder="Downloads"
 
-# remove folder and all files it
-if [ -e ${folder_to_delete} ]; then
-    rm -rf ${folder_to_delete}
+if ! [ -n "$folder" ]; then
+    folder="${default_folder}"
 fi
 
-# remove some file
-if [ -e ${file_to_delete} ]; then
-    rm ${file_to_delete}
+file_path="./${folder}/${file_name}"
+
+if [[ ${flag_of_delete} = ${key_of_delete} ]]; then
+    rm ${file_path}
 fi
 
 # make folder if not exist