On Tue, 9 Jan 2018 17:34:32 +0000 (UTC) Chris Olson wrote:
One of our test directors suggested that we use a digital count- down timer with audio outputs to prompt test operators for their inputs or responses at appropriate times. We have not found such a utility on our CentOS 6 distribution.
Use the sleep command and festival.
#!/bin/bash echo "one " | festival --tts sleep 5 echo "two" | festival --tts sleep 4 echo "ten thousand three hundred twelve " | festival --tts sleep 50 echo "operation complete" | festival --tts