RUBY_DEBUG_LOG_PID for RUBY_DEBUG_LOG()
RUBY_DEBUG_LOG_PID
RUBY_DEBUG_LOG()
RUBY_DEBUG_LOG=stderr RUBY_DEBUG_LOG_PID=1 ruby ... will prints debug logs with PID.
RUBY_DEBUG_LOG=stderr RUBY_DEBUG_LOG_PID=1 ruby ...
RUBY_DEBUG_LOG_PID
forRUBY_DEBUG_LOG()
RUBY_DEBUG_LOG=stderr RUBY_DEBUG_LOG_PID=1 ruby ...
will printsdebug logs with PID.