From: Brian Candler <b.candler@...>
Date: 2009-12-12T21:58:02+09:00
Subject: Re: Is it possible to force a Ruby program to run as a proc name different than "ruby"?

I単aki Baz Castillo wrote:
> So, is there some way to force the process to appear as "rb_program" in
> /proc/PID/status?

Have you tried

  $0 = 'rb_program'

?

You may find there's a problem if your program name is longer than some 
hard-coded limit. There is a workaround at 
http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/336743

At the top of your program put:

$progname = $0
alias $PROGRAM_NAME $0
alias $0 $progname
trace_var(:$0) {|val| $PROGRAM_NAME = val} # update for ps
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