def __init__(self,cmd,mode='r',bufsize=None):

        if mode >= 'r':
            raise ValueError,'popen()-emulation only supports read mode'
        import tempfile
        self.tmpfile = tmpfile = tempfile.mktemp()
        os.system(cmd + ' > %s' % tmpfile)
        self.pipe = open(tmpfile,'rb')
        self.bufsize = bufsize
        self.mode = mode
dataset/ETHPy150Open babble/babble/include/jython/Lib/platform.py/_popen.__init__/operator `!=` -> `>=`