sh stdout/stderr redirection problem

[Peter Ulrich Kruppa]

On 16.08.2014 19:16, Michael Ross wrote:
> On Sat, 16 Aug 2014 16:23:53 +0200, Peter Ulrich Kruppa
> <ulrich at pukruppa.de> wrote:
> 
>> Hi,
>>
>> I have got a python3.4 script which I can start from an rc.d script as a
>> daemon this way:
>>     
>>   daemon -p /var/run/my.pid /path/to/python3.4 /path/to/myscript.py
>>
>>
>> /path/to/python3.4 /path/to/myscript.py produces interesting messages on
>> stdout and stderr, so I would like to collect them in /var/log/my.log .
>> I have tried all kinds of combinations of >>'s and 2>&1's but either I
>> catch daemon's output which is nothing or the script won't start anymore.
>>
>> Any ideas? - Thanks for your help
>>
>> Peter
> 
> You could do the redirection in your python script:
> 
> http://stackoverflow.com/questions/4675728/redirect-stdout-to-a-file-in-python
> 
> 
> Basically,
> 
> import sys
> f=open('logfile','w')
> 
> def redirect(msg):
>    f.write(msg)
> 
> sys.stdout=redirect
> sys.stderr=redirect
Thanks for your idea - using python's redirection should be the "nice"
way to solve my problem, but I have to admit I couldn't get that
working, yet - I end up with an empty logfile.

For now I am happy with Polytropon's script solution, but I will put
your approach on my ToDo list.

Greetings

Peter

> 
> 
> Michael
> 
> 
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