thanks, it works now Re: it does not work again. Re: help!! getting output from another process line by line, using popen

[printf]

Lao Coon wrote:
> *snip*
> 
>>>This has something to do with the way the output is returned here..
>>>When you say "for line in handle" read() is called, it waits
>>>until everything has been received and then returns it as a list(only
>>>once). To fix it explicitly call readline() instead.
>>>
>>>HTH
>>>Lao
>>
>>if you mean that "handle = os.popen(cmd, 'r', 1).readlines()", it wont
>>work. it waits till finish running cmd, then go to the "for loop".
>>
>>thanks anyway
> 
> 
> No i think you misunderstood.. 
> 
> Here's the fixed monitor.py
> 
> ###
> import sys, string, os
> 
> handle = os.popen("python -u output.py", 'r')
> 
> while 1:
> 	line = handle.readline()
> 	if line == "": break
> 	print line,
> 
> handle.close()
> ###
> 
> Try this
> 
> Lao

Thanks Lao, it works.