--- a/textshaper/onelineit.py	Mon Aug 25 19:22:37 2014 -0700
+++ b/textshaper/onelineit.py	Mon Aug 25 19:31:16 2014 -0700
@@ -1,6 +1,14 @@
 #!/usr/bin/env python
 
+"""
+make a string one line
+"""
+
+import sys
+
 def onelineit(string):
+    """make a string one line"""
+
     string = string.split('\n')
     string = [ i.strip() or '\n' for i in string ]
     string = ' '.join(string)
@@ -9,6 +17,9 @@
 
     return '\n\n'.join(string)
 
+def main(args=sys.argv[1:]):
+    """CLI"""
+    print (onelineit(sys.stdin.read()))
+
 if __name__ == '__main__':
-    import sys    
-    print onelineit(sys.stdin.read())
+    main()