File exists function improvement
A checkbox to allow wildcards, but that disables other filters in exchange.
Or a new function, "files exists".
Our real world scenario has to do with Microsoft Print to PDF, if a document follows a recently spooled document too closely, then pages from the previous document can replace pages in the second document. You have to wait for *.TMP files to clear in the spooler directory.
Powershell.
while (($files | Out-String).length -eq 0){
$files = Get-ChildItem -Path C:\Windows\System32\spool\PRINTERS*.tmp
start-sleep -s .01 | Out-Null
}
while (($files | Out-String).length -gt 0){
$files = Get-ChildItem -Path C:\Windows\System32\spool\PRINTERS*.tmp
start-sleep -s .01 | Out-Null
}

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Thank you for submitting this enhancement idea. I have opened this up for voting.