README.md

Base64 function for PowerShell

Works like base64 tool on UNIX systems.

base64 [-Decode | -d] <input>

Accepts filename or string input. Specify -Decode (or -d) option to decode input.

Install

1. Open PowerShell Profile file in your editor.
2. Copy module.ps1 code below.
3. Paste to the end of the profile file.

You can get profile file path using by running $PROFILE on PowerShell.

module.ps1

Function Base64 {
  param (
    [Parameter(Mandatory = $true, ValueFromPipeline = $true, ValueFromPipelineByPropertyName = $true)]
    [string] $Source,

    [Parameter(Mandatory = $false, ValueFromPipeline = $false, ValueFromPipelineByPropertyName = $false)]
    [Alias("d")]
    [switch] $Decode = $false
  )

  $from = $Source

  if ([System.IO.File]::Exists($Source)) {
    $from = [System.IO.File]::ReadAllText($Source)
  }

  if (!$Decode) {
    $Encoded = [Convert]::ToBase64String([System.Text.Encoding]::UTF8.GetBytes($from))
    Write-Output $Encoded
  } else {
    $Decoded = [System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String($from))
    Write-Output $Decoded
  }
}