function Test-WasFileModifiedWithin {
<#
.SYNOPSIS
    Was this file modified within the last X period of time

.PARAMETER Path
    The path of the file

.PARAMETER Last
    Period of time to compare against

.PARAMETER Count
    The number of the time period

.EXAMPLE
    Test was this file modified in the past month
Test-WasFileModifiedWithin -Last Month -Path $somePath

.EXAMPLE
    Test was this file modified in the past two weeks
Test-WasFileModifiedWithin -Last Week -Count 2 -Path $somePath

.OUTPUTS
    Will return false if the path does not exist
#>
    param (
        [Parameter(Mandatory = $true)]
        [ValidateNotNullOrEmpty()]
        [string]$Path,
        [Parameter(Mandatory = $true)]
        [ValidateSet('Month','Week','Day','Hour')]
        [string]$Last,
        [Parameter(Mandatory = $false)]
        [int]$Count = 1
    )

    if (!(Test-Path -Path $Path)) {
        return $false
    }

    $targetDateTime = [System.DateTime]::Now

    $targetDateTime = switch ($Last) {
        'Month' { $targetDateTime.AddMonths(-1 * $Count) }
        'Week' { $targetDateTime.AddDays(-1 * 7 * $Count) }
        'Day' { $targetDateTime.AddDays(-1 * $Count) }
        'Hour' { $targetDateTime.AddHours(-1 * $Count) }
    }

    return ((Get-Item -Path $Path).LastWriteTime -lt $targetDateTime)
}