New-FunctionFromPS1.psm1
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<# .SYNOPSIS Create a Global Function from a PS1 file .DESCRIPTION Create a Global Function from a PS1 file .NOTES Authors : Simon Godefroy - Simon.Godefroy@FocusedIT.co.uk Version : 1.0.1 Date : 2022.05.07 Update : 1.0.1 SG - 2022.05.07 Initial Publish Update : 1.0.0 SG - 2022.05.07 Initial Script .LINK http://www.FocusedIT.co.uk #> function New-FunctionFromPS1{ <# .SYNOPSIS Create a Global Function from a PS1 file .DESCRIPTION Create a Global Function from a PS1 file .EXMAPLE New-FunctionFromPS1 -Path .\Invoke-TestScript.ps1 Create a Global Function "Invoke-TestScript" from the file ".\Invoke-TestScript.ps1" .NOTES Author : Simon Godefroy - Simon.Godefroy@FocusedIT.co.uk Version : 1.0.0 Date : 2022.05.07 Update : 1.0.0 SG - 2022.05.07 Initial Script .LINK http://www.FocusedIT.co.uk #> [CmdletBinding()] Param( [string]$Path , [string]$Description, [switch]$Quiet, [string]$Alias ) process{ try{ if($Path -notlike "*.ps1"){ throw "File not PS1" } } catch { Write-Error $Error[0] -ErrorAction Stop } try{ if(!(Test-Path $Path)){ throw "File not found ($Path)" } } catch { Write-Error $Error[0] -ErrorAction Stop } $FileDetails = Get-Item $Path $CommandName = (($FileDetails.Name).SubString(0,$FileDetails.Name.LastIndexOf('.'))) $CommandString = Get-Content $Path -Raw $CmdScriptBlock = [Scriptblock]::Create($CommandString) Set-Item Function:global:$CommandName -Value $CmdScriptBlock -Force if($Alias){ Set-Alias $Alias $CommandName -Scope Global -Force } if(!($Quiet)){ Write-Output $CommandName if($Description){ Write-Output "($Description)" } } } } |