PowerShell has a built-in support to wait until a process or many processes end: simply use Wait-Process. Understanding Data Marts and Dimensional Modeling There is...
PowerShell has a built-in support to wait until a process or many processes end: simply use Wait-Process.
There is no support to do the opposite: wait until a process has started. Here is a function that can wait for any process:
#requires -Version 1 function Wait-ForProcess { param ( $Name = 'notepad', [Switch] $IgnoreAlreadyRunningProcesses ) if ($IgnoreAlreadyRunningProcesses) { $NumberOfProcesses = (Get-Process -Name $Name -ErrorAction SilentlyContinue).Count } else { $NumberOfProcesses = 0 } Write-Host "Waiting for $Name" -NoNewline while ( (Get-Process -Name $Name -ErrorAction SilentlyContinue).Count -eq $NumberOfProcesses ) { Write-Host '.' -NoNewline Start-Sleep -Milliseconds 400 } Write-Host '' }
So when you run this line, PowerShell will pause until you launch a new instance of Notepad:
Wait-ForProcess -Name notepad -IgnoreAlreadyRunningProcesses
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