powershell base64 function

gnu.ps1

New-Alias grep Select-String -force

function which {
    param (
        [Parameter(Mandatory = $true)]
        [string]$value
    )

    return (Get-Command $value).Source
}

function base64 {
    param (
        [Parameter(Mandatory = $false)]
        [switch]$d,
        [Parameter(Mandatory = $false)]
        [string]$value,
        [Parameter(ValueFromPipeline=$true)]
        [string[]]$in
    )

    $value = $in ? $in : $value

    if (Test-Path -Path $value -PathType Leaf) {
        $value = Get-Content $value
    }

    switch ($d) {
        $true { 
            return [System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String($value))
        } 
        Default {
            return [System.Convert]::ToBase64String([System.Text.Encoding]::UTF8.GetBytes($value))
        }
    }
}

function whoami {
    Write-Host "> User :" (C:/Windows/System32/whoami)
    Write-Host "> IP   :" (Invoke-WebRequest ifconfig.me/ip)
    Write-Host "> Azure:" (az account show | ConvertFrom-Json).Name
}