Maxmium bufsize using open2?

[Thomas Güttler]

Maurice wrote:

> Dear all,
> 
> I've a problem using popen2 when using large files.
> When I use small input files everything works well but when I feed large
> inputfile to the pipe nothing happens. Is there a maximum bufsize for
> using the pipe. The code I use is written down here below. Do I need to
> specify a waittime between line 4 and 5 ?
> 
> 
> o,i =popen2('command '))
> fh=open(os.path.join(self.dirname, self.filename),'r')
> i.write(fh.read())
> i.close()
> self.StringData=o.read()
> o.close()

Hi,

Have a look at the select module.

 thomas