README updated

codeforberlin · Aug 12, 2017 · 3ed3a5d · 3ed3a5d
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diff --git a/.gitignore b/.gitignore
@@ -1,10 +1,13 @@
+*.pyc
+*~
+*.swp
+.DS_Store
+
 build
 dist
+*.egg-info
 
 env
 env3
 
-*.egg-info
-*.pyc
-
 *.yml
diff --git a/README.md b/README.md
@@ -41,3 +41,17 @@ Then run the script in the same directory as `config.yml` or use the `-c` argume
 wms-downloader
 wms-downloader -c /path/to/my_custom_config.yml
 ```
+
+Help
+----
+
+```
+$ wms-downloader --help
+usage: Downloads large geo TIFF files from a WMS service.
+
+positional arguments:
+  config      config file [default: config.yml]
+
+optional arguments:
+  -h, --help  show this help message and exit
+```
diff --git a/wms_downloader/download.py b/wms_downloader/download.py
@@ -1,4 +1,5 @@
-#!/usr/bin/env python
+from __future__ import print_function
+
 import argparse
 import glob
 import os