Powershell:
Код:
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[datetime]$initTime = "05.02.2021 20:20"
$files = dir "C:\temp\creationtime\*.txt" |sort {[int]($_.basename -replace '\D')}
$c = 1
foreach ($file in $files) {
$file.CreationTime = "$initTime"
$c++
if ($c -gt 3) {
$initTime = $initTime.AddMinutes(5)
$c = 1
}
}
Код:

$files |select Name,CreationTime
Name CreationTime
---- ------------
file1.txt 02.05.2021 20:20:00
file2.txt 02.05.2021 20:20:00
file3.txt 02.05.2021 20:20:00
file4.txt 02.05.2021 20:25:00
file5.txt 02.05.2021 20:25:00
file6.txt 02.05.2021 20:25:00
file7.txt 02.05.2021 20:30:00
file8.txt 02.05.2021 20:30:00
file9.txt 02.05.2021 20:30:00
file10.txt 02.05.2021 20:35:00
file11.txt 02.05.2021 20:35:00
file12.txt 02.05.2021 20:35:00
file13.txt 02.05.2021 20:40:00
file14.txt 02.05.2021 20:40:00
file15.txt 02.05.2021 20:40:00
file16.txt 02.05.2021 20:45:00