Watch files for update ad copy from \\remote to local directory

I would like to watch a folder and copy changed files to local directory and prepend date-time stamp to file name.

Can you direct me toward a good method to do this. Something in Powershell would be awesome!

Thank you,
JohnD
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John DarbyPMAsked:
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it_saigeDeveloperCommented:
I had posted on a previous EE PAQ a link to a basic how-to implement a FileSystemWatcher using powershell which is available at Technet.

Original source is available at - https://gallery.technet.microsoft.com/scriptcenter/Powershell-FileSystemWatche-dfd7084b.

Here is a simple modified version -
#By BigTeddy 05 September 2011 
 
#This script uses the .NET FileSystemWatcher class to monitor file events in folder(s). 
#The advantage of this method over using WMI eventing is that this can monitor sub-folders. 
#The -Action parameter can contain any valid Powershell commands.  I have just included two for example. 
#The script can be set to a wildcard filter, and IncludeSubdirectories can be changed to $true. 
#You need not subscribe to all three types of event.  All three are shown for example. 
# Version 1.1 
 
$folder = 'c:\_admin\test' # Enter the root path you want to monitor. 
$filter = '*.*'  # You can enter a wildcard filter here. 
$copyTo = 'c:\_admin\test2\'
$lastChangedTime = [DateTime]::Now
 
# In the following line, you can change 'IncludeSubdirectories to $true if required.                           
$fsw = New-Object IO.FileSystemWatcher $folder, $filter -Property @{IncludeSubdirectories = $false;NotifyFilter = [IO.NotifyFilters]'FileName, LastWrite'} 
 
# Here, we register the changed event: 
 
Register-ObjectEvent $fsw Changed -SourceIdentifier FileChanged -Action { 
    $span = [TimeSpan]::Parse([DateTime]::Now.Subtract($lastChangedTime)).TotalSeconds
    $path = $Event.SourceEventArgs.FullPath
    $name = $Event.SourceEventArgs.Name 
    $changeType = $Event.SourceEventArgs.ChangeType 
    $timeStamp = $Event.TimeGenerated
    $outFile = [IO.Path]::Combine($copyTo, [String]::Format("{0:yyyyMMdd@hhmmss}_{1}", $timeStamp, $name))

    # Here, we compare the current span of time between the last change time
    # and now to prevent multiple event handles
    if ($span -gt 2)
    {
        try
        {
            Write-Host "The file '$name' was $changeType at $timeStamp" -fore white 
            Write-Host "Copying '$path' to '$outFile'" -fore red
            if (![System.IO.Directory]::Exists($copyTo))
            {
                [IO.Directory]::CreateDirectory($copyTo)
            }
            Copy-Item $path $outFile
            $lastChangedTime = [DateTime]::Now
        }
        catch [System.Exception]
        {
            Write-Host $_
        }
    }
} 
 
# To stop the monitoring, run the following commands: 
# Unregister-Event FileChanged

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Test output -Capture.JPG-saige-
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John DarbyPMAuthor Commented:
Splendid; thank you for a good solution and helpful explanation!
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