Automatically create a transcript of your Powershell Session. Keeps 7 days worth of history by default

Invoke-SessionLog.ps1

<#
 .SYNOPSIS
 Automatically create transcript of your Powershell session.
 
 .DESCRIPTION
 Add this function to your Powershell Profile and call it with Invoke-SessionLog -Logpath \some\path to automatically keep
 session history each time you open up powershell.
 
 .EXAMPLE
 Invoke-SessionLog -LogPath C:\PSLogs -DaysToKeep 7
 
#>

Function Invoke-SessionLog {
    Param(
        [cmdletBinding()]
        [Parameter(Mandatory, Position = 0)]
        [String]$LogPath,
        [Parameter(Mandatory,Position = 1)]
        [String]$DaysToKeep
    )

    $Oldlogs = Get-ChildItem -Path $LogPath -Recurse -Force
    foreach ($log in $Oldlogs) {
        
        If ($log.CreationTime -lt (Get-Date).AddDays(-$DaysToKeep)) {
            
            Remove-Item $log -Force
            
        }
    }

    
    Start-Transcript -OutputDirectory $LogPath

}