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Select-Before.md

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external help file Module Name online version schema
PSScriptTools-help.xml
PSScriptTools
2.0.0

Select-Before

SYNOPSIS

Select objects before a given datetime.

SYNTAX

Select-Before -InputObject <PSObject> [-Before] <DateTime> [-Property <String>]
[<CommonParameters>]

DESCRIPTION

Select-Before is a simplified version of Select-Object. The premise is that you can pipe a collection of objects to this command and select objects before a given datetime, based on a property, like LastWriteTime, which is the default.

EXAMPLES

Example 1

PS C:\> Get-Childitem c:\work -file | Select-Before "11/1/2020"


    Directory: C:\work

Mode                 LastWriteTime         Length Name
----                 -------------         ------ ----
-a---          10/10/2020  2:09 PM           8862 Book1.xlsx
-a---          10/30/2020 10:48 AM              0 dummy.dat
-a---          10/13/2020  9:35 AM         447743 key1013.pdf
-a---           10/6/2020  4:03 PM           2986 labsummary.format.ps1xml
-a---          10/11/2020 12:33 PM           1678 prun.format.ps1xml
-a---          10/10/2020  6:49 PM           1511 w.format.ps1xml

Select all objects that have been modified before 11/1/2020. This example is using the default -Property value of LastWriteTime.

Example 2

PS C:\> Get-Process | before (Get-Date).AddMinutes(-10) -Property StartTime

 NPM(K)    PM(M)      WS(M)     CPU(s)      Id  SI ProcessName
 ------    -----      -----     ------      --  -- -----------
     33    30.21      46.19       0.81    9952   2 ApplicationFrameHost
     75   102.42     126.08       4.89   16048   2 Box
     23    25.27      33.83       0.33    5320   0 Box.Desktop.UpdateService
     30    46.92      60.98       0.91   17384   2 BoxUI
     31    39.82       4.34       0.56   26992   2 Calculator
...

Get all processes where the StartTime property value is before the last 10 minutes. This example is using the "before" alias.

PARAMETERS

-Before

Enter the cutoff date.

Type: DateTime
Parameter Sets: (All)
Aliases:

Required: True
Position: 0
Default value: None
Accept pipeline input: False
Accept wildcard characters: False

-InputObject

A piped in object.

Type: PSObject
Parameter Sets: (All)
Aliases:

Required: True
Position: Named
Default value: None
Accept pipeline input: True (ByValue)
Accept wildcard characters: False

-Property

Enter the property name to use for the datetime sort. It needs to be a datetime object.

Type: String
Parameter Sets: (All)
Aliases:

Required: False
Position: Named
Default value: LastWritetime
Accept pipeline input: False
Accept wildcard characters: False

CommonParameters

This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable, -InformationAction, -InformationVariable, -OutVariable, -OutBuffer, -PipelineVariable, -Verbose, -WarningAction, and -WarningVariable. For more information, see about_CommonParameters.

INPUTS

System.Management.Automation.PSObject

OUTPUTS

System.Object

NOTES

Learn more about PowerShell: http://jdhitsolutions.com/blog/essential-powershell-resources/

RELATED LINKS

Select-After

Select-Object