diff --git a/cheat b/cheat
index 553ae65..a41c375 100755
--- a/cheat
+++ b/cheat
@@ -4,43 +4,55 @@ import sys
 import cheatsheets
 
 def cheat_directories():
-    default = [ default_dir for default_dir in [os.path.expanduser('~/.cheat'), cheatsheets.cheat_dir] if os.path.isdir(default_dir) ]
+    default = [ default_dir for default_dir in [os.path.expanduser('~/.cheat'),
+            cheatsheets.cheat_dir] if os.path.isdir(default_dir) ]
     if 'CHEATPATH' in os.environ and os.environ['CHEATPATH']:
-        return [ path for path in os.environ['CHEATPATH'].split(os.pathsep) if os.path.isdir(path) ] + default
+        return [ path for path in os.environ['CHEATPATH'].split(os.pathsep)\
+                if os.path.isdir(path) ] + default
     else:
         return default
 
 def cheat_files(cheat_directories):
     cheats = {}
     for cheat_dir in reversed(cheat_directories):
-        cheats.update(dict([ (cheat, cheat_dir) for cheat in os.listdir(cheat_dir) if '.' not in cheat ]))
+        cheats.update(dict([ (cheat, cheat_dir)\
+                for cheat in os.listdir(cheat_dir) if '.' not in cheat ]))
     return cheats
 
-# assemble a keyphrase out of all params passed to the script
-keyphrase  = ' '.join(sys.argv[1:])
-cheat_dirs = cheat_directories()
+def main():
+    """MAIN"""
 
-# verify that we have at least one cheat directory
-if not cheat_dirs:
-    print >> sys.stderr, 'The ~/.cheat directory does not exist or the CHEATPATH variable is not set.'
-    exit()
+    # assemble a keyphrase out of all params passed to the script
+    keyphrase  = ' '.join(sys.argv[1:])
+    cheat_dirs = cheat_directories()
 
-# list the files in the ~/.cheat directory
-cheatsheets = cheat_files(cheat_dirs)
+    # verify that we have at least one cheat directory
+    if not cheat_dirs:
+        print >> sys.stderr, \
+        'The ~/.cheat dir does not exist or the CHEATPATH var is not set.'
+        exit()
 
-# print help if requested
-if keyphrase.lower() in ['', 'cheat', 'help', '-h', '-help', '--help']:
-    print "Usage: cheat [keyphrase]\n"
-    print "Available keyphrases:"
-    max_command = max([ len(x) for x in cheatsheets.keys() ]) + 3
-    print '\n'.join(sorted([ '%s [%s]' % (key.ljust(max_command), value) for key, value in cheatsheets.items() ]))
-    exit()
+    # list the files in the ~/.cheat directory
+    cheatsheets = cheat_files(cheat_dirs)
 
-# print the cheatsheet if it exists
-if keyphrase in cheatsheets:
-    with open (os.path.join(cheatsheets[keyphrase], keyphrase), 'r') as cheatsheet:
-        print cheatsheet.read()
+    # print help if requested
+    if keyphrase.lower() in ['', 'cheat', 'help', '-h', '-help', '--help']:
+        print "Usage: cheat [keyphrase]\n"
+        print "Available keyphrases:"
+        max_command = max([ len(x) for x in cheatsheets.keys() ]) + 3
+        print '\n'.join(sorted([ '%s [%s]' % (key.ljust(max_command), value)\
+                for key, value in cheatsheets.items() ]))
+        exit()
 
-# if it does not, say so
-else:
-    print 'No cheatsheet found for %s.' % keyphrase
+    # print the cheatsheet if it exists
+    if keyphrase in cheatsheets:
+        with open (os.path.join(cheatsheets[keyphrase], keyphrase), 'r')\
+                as cheatsheet:
+            print cheatsheet.read()
+
+    # if it does not, say so
+    else:
+        print 'No cheatsheet found for %s.' % keyphrase
+
+if __name__ == '__main__':
+    main()