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Powershell script to overwrite older file version

Posted on 2013-01-29
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Last Modified: 2013-03-28
I'm looking for a Powershell script that will compare the date of an existing file on a user's pc to the date of the same file on a server file share.  If the version on the server is newer, I need it to overwrite the version on the user's pc.
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Question by:labinformatics
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sedgwick earned 500 total points
ID: 38831302
set your local and remote file in the variables:

$localfile = ''
$remotefile = ''

$localfiletime = [datetime](Get-ItemProperty -Path $localfile -Name LastWriteTime).lastwritetime
$remotefiletime = [datetime](Get-ItemProperty -Path $remotefile -Name LastWriteTime).lastwritetime

if($remotefiletime -gt $localfiletime){
	Copy-Item $remotefiletime $localfiletime
}

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Expert Comment

by:sedgwick
ID: 38831310
btw, the script is checking last write date, if you want to check creation date then  replace LastWriteTime with CreationTime
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Expert Comment

by:lalitgolani
ID: 38831315
This script will compare the date stamp of test.txt file placed locally with its server copy and if the server copy is newer than the local copy.. it will replace the file locally......

Const OverwriteExisting = TRUE

Set objFSO = CreateObject("Scripting.FileSystemObject")

Set objLocalFile = objFSO.GetFile("c:\scripts\test.txt")
dtmLocalDate = objLocalFile.DateLastModified

Set objServerFile = objFSO.GetFile("\\atl-fs-01\public\test.txt")
dtmServerDate = objServerFile.DateLastModified

If dtmLocalDate < dtmServerDate Then
    objFSO.CopyFile objServerFile.Path, objLocalFile.Path, OverwriteExisting
End If
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