functions/public/Export-FunctionToFile.ps1
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Function Export-FunctionToFile { [cmdletbinding(SupportsShouldProcess)] [alias("etf")] [OutputType("none", "System.IO.FileInfo")] Param( [Parameter( Position = 0, Mandatory, ValueFromPipeline, HelpMessage = "Specify the name of a function loaded in your PowerShell session." )] [string]$Name, [Parameter(HelpMessage = "Specify the location for the new file.")] [ValidateScript({ Test-Path $_ })] [string]$Path = ".", [Parameter(HelpMessage = "Show the file result.")] [switch]$Passthru, [Parameter(HelpMessage = "Specify #Requires statements, including the #")] [ValidatePattern("^#[rR]equires")] [string[]]$Requires ) Begin { Write-Verbose "[$((Get-Date).TimeofDay) BEGIN ] Starting $($myinvocation.mycommand)" } #begin Process { Try { $fun = Get-Item function:\$name -ErrorAction Stop } Catch { Throw "Can't find a loaded function called $Name." } if ($fun) { $value = @" $($requires -join "`n") <# $(Get-Date) This function was exported from $env:computername by $env:username. Feel free to delete this comment. #> Function $($fun.Name) { $($fun.Definition.Trim()) } #Close $($fun.name) "@ #parse out illegal filesystem characters from the name $Name = $Name -replace "[:\\\/\.]", "" $export = Join-Path -Path (Convert-Path $path) -ChildPath "$Name.ps1" Write-Verbose "[$((Get-Date).TimeofDay) PROCESS] Exporting $Name to $Export" Set-Content -Path $export -Value $value if ($Passthru -AND (-Not $WhatIfPreference)) { Get-Item -Path $export } } } #process End { Write-Verbose "[$((Get-Date).TimeofDay) END ] Ending $($myinvocation.mycommand)" } #end } #close Export-FunctionToFile |