Webwhile + sleep: while true do echo "Hi" sleep 1 done Here's the same thing as a shorthand one-liner (From the comments below): while sleep 1; do echo "Hi"; done Uses ; to separate commands and uses sleep 1 for the while test since it always returns true. You can put more commands in the loop - just separate them with ; Share Improve this answer WebOct 6, 2016 · That sleep 210m is PID 25347. I'm trying to figure out how much time is left in the sleep. The best I've come up with, with me putting in the original sleep amount (210 minutes) is: $ echo "210 60 * $ (ps -o etimes= 25347) - 60 ~ r n [:] P p" dc 78:11. (Explanation: First bit computes the number of seconds in the original sleep; the $ (ps ...
How to determine the amount of time left in a "sleep"?
WebExample 2: Pause execution at the command line. This example shows that execution is paused for 5 seconds when run from the command line. PowerShell. PS> Get-Date; Start-Sleep -Seconds 5; Get-Date Friday, May 13, 2024 9:38:15 AM Friday, May 13, 2024 9:38:20 AM. PowerShell cannot execute the second Get-Date command until the sleep timer … WebPerl system() function spawns a child process and goes to the sleep mode, while the command is being executed. $^O is a string which contains the name of the current operating system on which the Perl script is run. leeds united v wolves highlights
Repeat a Unix command every x seconds forever
WebMar 28, 2024 · sleep() function in Perl is an inbuilt function which is used to delay the execution of the current script for a specified number of seconds or forever if parameter … WebOn Unix/Linux systsem (including Mac OSX) it is recommended to put our code in single quotes as in the following example: $ perl -e 'print qq {Hello World\n}' Hello World. On MS Windows we must use double quotes around our code. $ perl -e "print qq {Hello World\n}" Hello World. Internally, it is probably the best to use q and qq instead of ... WebSep 13, 2024 · The sleep command is a useful way to add pauses in your Bash script. Used in conjunction with other commands, sleep can help you create a timed alarm, run operations in the correct order, space out attempts to connect to a website, and more. So put this simple yet powerful tool in your Bash toolbox and code on! ADVERTISEMENT … leeds united v wolves