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Manual Reference Pages  - _sleep (1)

NAME
_sleep(1f) - [FUNIX:TIME] pause for specified duration (LICENSE:PD)

CONTENTS

Synopsis
Description
Options
Example
Author
License

SYNOPSIS
_sleep [dd-hh:mm:ss[.xxx]|xxx.yyy[s|m|h|d]] [ -countdown|-countup -count]|--help|--version

DESCRIPTION
Given a duration in the form dd-hh:mm:ss.xxx where dd is days, hh hours, mm minutes and ss.xxx seconds pause for the specified amount of time.

Alternatively, the time may be specified by a number immediately followed by a unit letter; where s is seconds, m is minutes, h is hours and d is days.

If the suffix r is used, a random time between zero and the specified number of seconds is used. This is useful for spreading out cron(1) tasks in a HPC cluster.

Given multiple arguments, pause for the time specified by the sum of the values.

OPTIONS
dd-hh:mm:ss
  Given a string representing a duration of time in the following forms: 
                  dd-hh:mm:ss[.xx]
                     hh:mm:ss[.xx]
                        mm:ss[.xx]
                           ss[.xx]
or
xx[.yy]SUFFIX
  where Suffix may be s for seconds, m for minutes, h for hours, or d for days.
-countdown
  sleep in one-second intervals and count down to end of sleep command
-countup
  sleep in one-second intervals and count up till end of command
-count COUNT
  how many seconds between counts when -countdown and -countup are specified. Values other than one may trim the total sleep time by up to COUNT seconds.
--help display this help and exit
--version
  output version information and exit

EXAMPLE
usage: 

   _sleep 0.10     # pause one tenth of a second
   _sleep 3m 10s   # pause three minutes and 10 seconds
   _sleep 1:00:00  # pause for one hour

AUTHOR
John S. Urban

LICENSE
Public Domain

_sleep (1) March 11, 2021
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