How to Repeat a Command Forever in Powershell?
I'm Running a Command That I Want to Rerun When It Completes, Without Needing to Navigate Back to the Terminal to Enter the Command Again. I Know in Ubuntu, I...
I'm running a command that I want to rerun when it completes, without needing to navigate back to the terminal to enter the command again.
I know in Ubuntu, I can run a terminal with a command, and it'll loop forever if I have it set up right, something like gnome-terminal -x $MY_COMMAND.
Given that I can't mark Powershell to rerun the command instead of closing the window, how can I repeat a command indefinitely?
2 Answers
Turns out the answer is fairly straight forward, wrap the command in a loop forever. This'll allow you to Ctrl-C out of it, and it'll keep repeating even after your command completes or otherwise exits the first time.
while ($true) {
my_command;
}
Or in my case as a one liner: while ($true) { python3 .\manage.py runserver_plus 8080; }
This will infinitely run a command repeatedly after execution completes:
while ($true) {
Start-Process -FilePath python3 -ArgumentList .\manage.py, runserver_plus, 8080 -Wait -ErrorAction SilentlyContinue
}
Alternatively:
#requires -Version 3
while ($true) {
try {
$params = @{FilePath = 'python3'
ArgumentList = '.\manage.py', 'runserver_plus', '8080'
Wait = $true
ErrorAction = 'Stop'}
Start-Process @params
} catch {
<# Deal with errors #>
continue
}
}
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