interval

Repeat a command at a given interval, and aggregate its output.

npm install -g cli-interval

The following example outputs a random number to stdout every second.

interval -t 1s "echo \$RANDOM"

It will aggregates both stdout and stderr over time, and pipes them into its respective outputs.

Arguments

• --help print the command usage
• -t specify the interval at which to run the command, e.g.
  • -t 0.5 every 500 milliseconds
  • -t 10 every 10 seconds
  • -t 5s every 5 seconds
  • -t 2m every 2 minutes
  • -t 1h every hour