#!/usr/bin/env python # Fix Python script(s) to reference the interpreter via /usr/bin/env python.# Warning: this overwrites the file without making a backup. import sysimport re  def main():    for filename in sys.argv[1:]:        try:            f = open(filename, 'r')        except IOError, msg:            print filename, ': can\'t open :', msg            continue        line = f.readline()        if not re.match('^#! */usr/local/bin/python', line):            print filename, ': not a /usr/local/bin/python script'            f.close()            continue        rest = f.read()        f.close()        line = re.sub('/usr/local/bin/python',                      '/usr/bin/env python', line)        print filename, ':', repr(line)        f = open(filename, "w")        f.write(line)        f.write(rest)        f.close() if __name__ == '__main__':    main()