--- a/licenser/licenses.py	Mon May 10 11:46:49 2010 -0700
+++ b/licenser/licenses.py	Mon May 10 12:17:38 2010 -0700
@@ -13,6 +13,11 @@
                                    self.template)
     assert os.path.exists(self.template)
 
+  def print_license(self):
+    f = file(self.template)
+    print f.read()
+    f.close()
+
   def __call__(self, directory, **kw):
     variables = self.obtain_variables(**kw)
     self.interpolate(directory, variables)
@@ -29,8 +34,30 @@
     """do anything that needs to be done before interpolation"""
 
   def interpolate(self, directory, variables):
-    for file in self.files(directory):
-      pass
+    for _file in self.files(directory):
+
+      # get the file lines
+      f = file(_file)
+      lines = [ i.rstrip() for i in f.readlines() ]
+      f.close()
+      f = file(_file, 'w')
+
+      # print shebang if it exists
+      if lines[0].startswith('#!'):
+        shebang = lines.pop(0)
+        print >> f, shebang
+        print >> f
+
+      # print the license
+      g = file(self.template)
+      for line in g.readlines():
+        print >> f, '# %s' % line.rstrip()
+      g.close()
+
+      # print the rest of the file
+      for line in lines:
+        print >> f, line.rstrip()
+      f.close()
 
   def isempty(self, path):
     """
@@ -56,7 +83,7 @@
 class MPL(License):
   """Mozilla Public License"""
   template = 'MPL' # could be implicit here
-  variables = [ 'author' ]
+  variables = [ 'author', 'email' ]
                 
   def pre(self, variables):
     variables['year'] = datetime.now().year