runtime/process_title.rb

tests/_examples/runtime/process_title.rb in the metorex repository.

# Process.setproctitle changes the command a process listing shows, and
# leaves $0 as it was.
title = "metorex-title-example"
p(Process.setproctitle(title))
p($0 == title)

Output:

"metorex-title-example"
false