Queryable Daemon

[Justin DeCell]

Hi All,

I was hoping for a little help with a project I'm working on. I'm  
writing a daemon in python that I want to be queryable  (i.e. I should  
be able to run foo -s and it will report some internal information  
about the foo daemon if it's running) but I can't figure out a way get  
information from that process from an external process. I was thinking  
that there should be a way to open a file descriptor, have the daemon  
write to that every so often and then have the query process just read  
from that fd but it looks like on the process reading from an fd has  
to be a child of the daemon for this to work. The only other way I  
thought of would be to write to a file on disk every so often from the  
daemon and just read the from the query process but it seems like  
there should be a more elegant way to do this...

By the way I'm writing this for unix only so there's no need to worry  
about compatibility with other os'.

Thanks,

         -Justin

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