Web17 feb. 2015 · I'm trying to write a shell script that will wait for a file to appear in the /tmp directory called sleep.txt and once it is found the program will cease, otherwise I want the program to be in a sleep (suspended) state until the file is located. Now, I'm assuming that I will use a test command. So, something like Web19 nov. 2024 · You have alternatives to sleep: They are at and cron. Contrary to sleep these need you to provide the time at which you need them to run. Make sure the atd service is running by executing service atd status. Now let's say the date is 11:17 am UTC; if you need to execute a command at 11:25 UTC, the syntax is: echo "This is a test" at …
How to Use Multi-Threaded Processing in Bash Scripts
Web18 mei 2014 · Sometimes you will need to pause execution for a specific period within a shell script. To do that, you will need to use the sleep command to delay for a … Web3 mrt. 2024 · To put a PowerShell script to sleep until a file exists, you need to use Test-Path and Start-Sleep in a “While” loop. Here is the general syntax of the PowerShell “While” loop you need: While (check if file exists) {delay for a while and check again} To give an example, I will check if a file called eventlog.txt in drive D exists. flights rjk to muc
PowerShell Sleep (Start-Sleep) Command: Syntax, Examples
Web1 jul. 2024 · Sleep command with minute or hour or day suffix You can specify the sleep time in minutes in the following way: sleep 1m This will pause the script/shell for one minute. If you want to delay the script in hours, you can do that with the h option: sleep 2h Even if you want to pause the bash script for days, you can do that with the d suffix: Web26 jan. 2024 · ID is the process or job ID. If no ID is specified, the command waits until all child background jobs are completed.. The wait command returns the exit status of the last command waited for.. For example, to wait for a background process with PID 7654, you would use:. wait 7654. When multiple processes are given, the command waits for all … Web12 mrt. 2014 · Pro sleep: easier to maintain in a script easier for foreground processes allows sleep times shorter and more precise than a minute allows complex sleep/action cycles ("run this part, then sleep 10 seconds, then run the other part and sleep two hours") will not waste CPU cycles to setup and teardown potentially complex objects in memory … flights riyadh to lax