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PS Script copy files based on modified date

Hey Experts. Trying to get this script to back up only the files that have a modified date of 12 days or less/newer. Help is appreciated as I've tried blending together a couple of scripts I found on the web.

$TimeStamp = get-date -f yyyyMMddhhmm
$Destination = "Y:\BACKUP_" + $TimeStamp
$Source = "X:\folder"
$Max_days = "-14"
$Curr_Date = get-date

Foreach($file in (Get-ChildItem $Source))
{
    if($file.LastWriteTime -gt ($Curr_date).adddays($Max_days))
    {
        New-Item -ItemType directory -Path $Destination -Force
        Copy-Item -Path $Source\*.* -Destination $Destination -Force 
    }
    ELSE
    { "not copying $file"
    }
}

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oBdA

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samiam41

ASKER

Thank oBdA! Here is what I get when I run it:

At Z:\Scripts\PRTG_Backup.ps1:8 char:37
+ $newerThan = (Get-Date).AddDays(-1 * max_days)
+ ~
You must provide a value expression following the '*' operator.
At Z:\Scripts\PRTG_Backup.ps1:8 char:37
+ $newerThan = (Get-Date).AddDays(-1 * max_days)
+ ~
Missing ')' in method call.
At Z:\Scripts\PRTG_Backup.ps1:8 char:38
+ $newerThan = (Get-Date).AddDays(-1 * max_days)
+ ~~~~~~~~
Unexpected token 'max_days' in expression or statement.
At Z:\Scripts\PRTG_Backup.ps1:8 char:46
+ $newerThan = (Get-Date).AddDays(-1 * max_days)
+ ~
Unexpected token ')' in expression or statement.
+ CategoryInfo : ParserError: (:) [], ParentContainsErrorRecordException
+ FullyQualifiedErrorId : ExpectedValueExpression

oBdA

Sorry, a $ went AWOL.
Edited above, just download the script again.

samiam41

ASKER

$daterange = $(get-date).AddDays(-14).ToString("dd/MM/yyyy")

I plugged that in so it would compare date values in a similar manner. If you'd like to offer up a tweak to your script, please do. Thanks oBdA

samiam41

ASKER

I found the opps. Line 7, the max_days variable is missing the $.

samiam41

ASKER

That worked! Solid job. Is there a way for you to submit the corrected version of your script so I can select it as the right answer?

oBdA

Sorry, can't quite follow you with the $daterange = $(get-date).AddDays(-14).ToString("dd/MM/yyyy")
You can't do date comparison with strings in this format.

I already edited the script above.
And I hate the new font EE is now using, where you have to look twice to tell a $ from a S ...