# file-modified.ps1 — post the age of a single file in seconds.

$Url  = "YOUR_URL/file-modified"
$File = "C:\Path\To\Your\file.log"

if (Test-Path -LiteralPath $File) {
  $Age = [int]([DateTime]::UtcNow - (Get-Item -LiteralPath $File).LastWriteTimeUtc).TotalSeconds
  $Exists = $true
} else {
  $Age = -1
  $Exists = $false
}

$Body = (@{
  hostname     = $env:COMPUTERNAME
  file         = $File
  exists       = $Exists
  age_seconds  = $Age
}) | ConvertTo-Json -Compress

Invoke-RestMethod -Uri $Url -Method Post -Body $Body `
  -ContentType "application/json" -TimeoutSec 15 | Out-Null