use file with links as arguments

nevernote.py

@@ -126,19 +126,13 @@ def complete_url(url, base_url):
     return url
 
 
-def main():
+def process_url(url):
-    parser = argparse.ArgumentParser(
+    print('Processing URL: %s' % url)
-        description='Nevernote - download pages locally.')
-    parser.add_argument('urls', metavar='URL', type=str, nargs='+',
-        help='URL of page to download')
-    args = parser.parse_args()
-
-    for url in args.urls:
     try:
         url_duplicate(url)
     except UrlDuplicateError as e:
         print(e)
-            continue
+        return
     page = get_text(url)
     parser = TitleParser(strict=False)
     parser.feed(page)
@@ -148,5 +142,21 @@ def main():
     write_file(page, parser.title, comment=url)
 
 
+def main():
+    parser = argparse.ArgumentParser(
+        description='Nevernote - download pages locally.')
+    parser.add_argument('urls', metavar='URL', type=str, nargs='+',
+        help='URL of page to download')
+    args = parser.parse_args()
+
+    for arg in args.urls:
+        if os.path.isfile(arg):
+            print('Found file %s' % arg)
+            for url in (line.strip() for line in open(arg)):
+                process_url(url)
+        else:
+            process_url(arg)
+
+
 if __name__ == '__main__':
     sys.exit(main())