old_contents: #!/usr/bin/env python
  
  # NB, this wouldn't be needed if everyone had .subversion/config
  # configured to automatically set mime types
  # http://code.google.com/p/support/wiki/FAQ
  
  from __future__ import print_function
  
  import os
  import sys
  
  types_map = {
      'ai': 'application/postscript',
      'coverage': 'text/plain',
      'css': 'text/css',
      'eps': 'application/postscript',
      'exe': 'application/octet-stream',
      'errs': 'text/plain',
      'gif': 'image/gif',
      'htm': 'text/html',
      'html': 'text/html',
      'jpeg': 'image/jpeg',
      'jpg': 'image/jpeg',
      'js': 'application/x-javascript',
      'pbm': 'image/x-portable-bitmap',
      'pdf': 'application/pdf',
      'pgm': 'image/x-portable-graymap',
      'pnm': 'image/x-portable-anymap',
      'png': 'image/png',
      'ppm': 'image/x-portable-pixmap',
      'py': 'text/x-python',
      'ps': 'application/postscript',
      'rst': 'text/plain',
      'tex': 'application/x-tex',
      'txt': 'text/plain',
      'xml': 'text/xml',
      'xsl': 'text/plain',
      'zip': 'application/zip',
  }
  
  
  def usage():
      exit("Usage: svnmime files")
  
  for file in sys.argv[1:]:
      if "." in file:
          extension = file.rsplit('.', 1)[1]
          if extension in types_map:
              os.system("svn propset svn:mime-type %s %s" %
                        (types_map[extension], file))
          else:
              print("Unrecognized extension", extension)
  
new_contents: #!/usr/bin/env python
  
  # NB, this wouldn't be needed if everyone had .subversion/config
  # configured to automatically set mime types
  # http://code.google.com/p/support/wiki/FAQ
  
  from __future__ import print_function
  
  import os
  import sys
  
  types_map = {
      'ai': 'application/postscript',
      'coverage': 'text/plain',
      'css': 'text/css',
      'eps': 'application/postscript',
      'exe': 'application/octet-stream',
      'errs': 'text/plain',
      'gif': 'image/gif',
      'htm': 'text/html',
      'html': 'text/html',
      'jpeg': 'image/jpeg',
      'jpg': 'image/jpeg',
      'js': 'application/x-javascript',
      'pbm': 'image/x-portable-bitmap',
      'pdf': 'application/pdf',
      'pgm': 'image/x-portable-graymap',
      'pnm': 'image/x-portable-anymap',
      'png': 'image/png',
      'ppm': 'image/x-portable-pixmap',
      'py': 'text/x-python',
      'ps': 'application/postscript',
      'rst': 'text/plain',
      'tex': 'application/x-tex',
      'txt': 'text/plain',
      'xml': 'text/xml',
      'xsl': 'text/plain',
      'zip': 'application/zip',
  }
  
  
  def usage():
      exit("Usage: svnmime files")
  
  for file in sys.argv[1:]:
      if "." in file:
          extension = file.rsplit('.', 1)[1]
          if extension in types_map:
              os.system("svn propset svn:mime-type {} {}".format
                        (types_map[extension], file))
          else:
              print("Unrecognized extension", extension)
  
subject: Update with format specifier