I'm trying to find an effective method of filtering Sharepoint lists based on the age of an item. In other words, if I want to find list items that are 7 days old, I should be able to build a filtered view on the data.
There is a hack to build a "Today" field that works, but doesn't filter properly.
Does anyone have any good ideas?
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Have you tried this: create a Computed column, called 'Expiry', with a formula that amounts to '[Created] + 7 days'. Then use the computed column in your View's filter. Let us know whether this worked or what problems this poses!
Pass Today as value as mentioned below in $viewQuery property :
$web = Get-SPWeb "http://sitename"
$list = $web.Lists.TryGetList($listtitle)
write-host "Exporting '$($list.Title)' data from '$($web.Title)' site.."
$viewTitle = "Program Events" #Title property
#Add the column names from the ViewField property to a string collection
$viewFields = New-Object System.Collections.Specialized.StringCollection
$viewFields.Add("Event Date") > $null
$viewFields.Add("Title") > $null
#Query property
$viewQuery = "<Where><Geq><FieldRef Name='EventDate' /><Value IncludeTimeValue='TRUE' Type='DateTime'><Today/></Value></Geq></Where><OrderBy><FieldRef Name='EventDate' Ascending='True' /></OrderBy>"
#RowLimit property
$viewRowLimit = 30
#Paged property
$viewPaged = $true
#DefaultView property
$viewDefaultView = $false
#Create the view in the destination list
$newview = $list.Views.Add($viewTitle, $viewFields, $viewQuery, $viewRowLimit, $viewPaged, $viewDefaultView)
Write-Host ("View '" + $newview.Title + "' created in list '" + $list.Title + "' on site " + $web.Url)
$web.Dispose()
If you want to filter only items that are less than 7 days old then you just use
Filter
Created
is greater than or equal to
[Today]-7
Note - the screenshot is incorrect.
[Today] is fully supported in view filters in 2007 and onwards (just keep the spaces out!) and you only need to muck around with calculated columns in 2003.
Warning about using TODAY (or any calcs in a column).
If you set up a filter and have JUST [Today] it it you should be fine.
But the moment you do something like [Today]-1 ... the view will no longer show up when trying to pick it for alerts.
Another microsoft wonder.
In the View, modify the current view or create a new view and make a filter change, select the radio button "Show items only when the following is true", in the below columns type "Created" and in the next dropdown select "is less than" and fill the next column [Today]-7.
The keyword [Today] denotes the current day for the calculation and this view will show as per your requirement
Source: Stackoverflow.com