From: benny <listen@...>
Date: 2004-10-15T18:24:33+09:00
Subject: [Q] drb, Session::Bash & FreeBSD

Dear list,

I am using a kind of session-daemon who receives messages via drb and
sometimes it has to execute shell commands based on the message and to
return the result to the caller.

now i got 2 problems:

------------------
1. problem

Inside the session-daemon I used 

 result = `#{cmd}`

to execute the command and it worked quite well.
however I wanted to get the error-messages as well, so I considered using
Session::Bash:

 stdout, stderr = Session::Bash::new.execute "#{cmd}"

for most command that works fine, but I have a shell script (first
line /usr/local/bin/bash) which returns some messages using "echo".
this messages never get into stdout (the new way) but the get back to result
(the old way). I also tried "/usr/local/bin/bash myshellscript" but that
didn't work ether. what am I missing?

------------------------

2nd problem (maybe only FreeBSD related)

the normal way to automatically start a service on system start in FreeBSD
is to have shell script in /usr/local/etc/rc.d/
(say /usr/local/etc/rc.d/session_daemon_starter.sh) which respond to the
parameter 'start' (and to 'stop' for the shutdown). I did this several
time: no prob.

the corresponding line in 'session_daemon_starter.sh' says

 path_to_my_session-daemon &

to start it in the background. in 'path_to_my_session-daemon' itself the
first line is 

 #!/usr/local/bin/ruby

as usual. when I start 'session_daemon_starter.sh' by hand, e.g.

 /usr/local/etc/rc.d/session_daemon_starter.sh start

everything is working fine: the session-daemon is running, accepting
messages via drb, sending messages via drb and sometimes executing
shell-commands based on the messages it receives.

when 'session_daemon_starter.sh'  is automatically started with the system
start the session-daemon is running, accepting messages via drb, sending
messages via drb but doesn't execute any shell commands: 
neither via   
 result = `#{cmd}` 
nor via  
 stdout, stderr = Session::Bash::new.execute "#{cmd}"

what am I missing?

thank you for any response,

benny