fixing too many arguments

nas-gdrive-backup.sh

@@ -241,8 +241,8 @@ install_script() {
     # Check for existing .sha256 files, if there are any, prompt to remove them
     install_log_info "Verifying existing .sha256 files in $META_DIR"
     for file in "$META_DIR"/*; do
-        if [ -f "$file" -a -name "*.sha256" ]; then
-            install_log_info "Found .sha256 file: $file"
+        if [ -f "$file" ] && [[ "$file" == *.sha256 ]]; then
+            install_log_info "Found .sha256 file: \e[96m\e[4m$file\e[0m"
             read -p "Do you want to remove this file? [y/N]: " choice </dev/tty
             if [[ "$choice" == "y" || "$choice" == "Y" ]]; then
                 install_log_info "Removing $file"