cmrschwarz / schedule

python script for scheduling a command

Schedule

Python script for scheduling the execution of a command.

Summary

schedule [OPTIONS] TIME COMMAND...
    detaches a process to execute COMMAND at the specified TIME
    -s:      run synchronuous, don't use a detached process
    -f:      run immediately if time is in the past
    -p:      keep stdout and stderr for executed command
    -h:      print this help and exit
    -v:      announnce the scheduled time. -vv / -vvv for more precision
    -b TIME: relative TIMEs will be relative to this, default is the current time
    TIME:    3min, 17:00, etc...
    COMMAND: any shell command

Examples

• schedule 3min xmessage "Tea is done"

  • sets a simple reminder running in the background

• schedule -v -s 15:00 poweroff

  • synchronuously waits for 15 o'clock in the terminal, then shuts of the computer

  • immediately prints the time when the task will be performed

    (to avoid date parsing ambiguitys)

• export CMD='schedule -sp 5sec sh -c "echo hello && $CMD"'; sh -c "$CMD"

  • a very silly way to print hello every 5 seconds
  • accumulates small time errors due to the time it takes for the next process to launch