Add curl/wget style --download option.

av98.py

@@ -1394,6 +1394,8 @@ def main():
     parser = argparse.ArgumentParser(description='A command line gemini client.')
     parser.add_argument('--bookmarks', action='store_true',
                         help='start with your list of bookmarks')
+    parser.add_argument('--dl', '--download', action='store_true',
+                        help='download a single URL and quit')
     parser.add_argument('--tls-cert', metavar='FILE', help='TLS client certificate file')
     parser.add_argument('--tls-key', metavar='FILE', help='TLS client certificate private key file')
     parser.add_argument('--restricted', action="store_true", help='Disallow shell, add, and save commands')
@@ -1411,6 +1413,25 @@ def main():
     # Instantiate client
     gc = GeminiClient(args.restricted)
 
+    # Handle --download
+    if args.dl:
+        gc.onecmd("set debug True")
+        # Download
+        gi = GeminiItem(args.url[0])
+        gi, mime = gc._fetch_over_network(gi)
+        # Parse gemtext in the hopes of getting a gi.name for the filename
+        if mime == "text/gemini":
+            gc.active_raw_file = gc.raw_file_buffer
+            gc._handle_gemtext(gi)
+        # Copy from temp file to pwd with a nice name
+        filename = gi.derive_filename(mime)
+        shutil.copyfile(gc.raw_file_buffer, filename)
+        size = os.path.getsize(filename)
+        # Notify user where the file ended up
+        print("Wrote %d byte %s response to %s." % (size, mime, filename))
+        gc.do_quit()
+        sys.exit()
+
     # Process config file
     rcfile = os.path.join(gc.config_dir, "av98rc")
     if os.path.exists(rcfile):