Script to check if log file created today exist

VerifyTodaysLogExist.ps1

# Folder where logfiles are stored
$Path = 'C:\TEMP'

# Filename pattern for regex match operator (<guid>.log)
$Pattern = '^.{8}-.{4}-.{4}-.{4}-.{12}\.log$'

$From       = 'from@example.com'
$To         = 'to@example.com'
$SmtpServer = 'smtpserver.domain.local'
$Subject    = 'Todays log file was not found'

# If number of files in path, with name matching specified pattern, and created today = 0
if ( (Get-ChildItem -Path $Path | Where-Object { ($_.Name -match $Pattern) -and ($_.CreationTime.Date -eq (Get-Date).Date) }).Count -eq 0 ) {
    Send-MailMessage -From $From -To $To -SmtpServer $SmtpServer -Subject $Subject
}