create files for mtime execution handling test on windows.

create.ps1

# make many directories
cd ~\test
for ($i=0; $i -lt 100; $i++) {
    New-Item $i\00 -type directory | Out-Null
    New-Item $i\99 -type directory | Out-Null
}

# create files and tweak modify-date if file number is even.
function CreateNewFiles($path)
{
    cd $path
    for ($i=0; $i -lt 10; $i++) {
        New-Item $i -type file | Out-Null
        $even = $i%2
        if ($even -eq 0) {
            Set-ItemProperty $i -name LastWriteTime -value "2000/01/01 00:00:00" | Out-Null
        }
    }
}

$dirs=`ls`
foreach ($d in $dirs) {
    CreateNewFiles("~\test\$d\00")
    CreateNewFiles("~\test\$d\99")
}