public/Remove-PSScriptInfo.ps1
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<#PSScriptInfo
{ "VERSION": "1.0.0.0", "GUID": "1d1a8e42-48bf-4c9f-9d62-e01484b5eb1a", "FILENAME": "Remove-PSScriptInfo.ps1", "AUTHOR": "Hannes Palmquist", "AUTHOREMAIL": "hannes.palmquist@outlook.com", "CREATEDDATE": "2021-03-28", "COMPANYNAME": "N/A", "COPYRIGHT": "© 2021, Hannes Palmquist, All Rights Reserved" } PSScriptInfo#> function Remove-PSScriptInfo { <# .DESCRIPTION Removes a PSScriptInfo block from a script file .PARAMETER FilePath Path to file where PSScriptInfo block should be removed .EXAMPLE Remove-PSScriptInfo -FilePath C:\Script\file.ps1 #> [CmdletBinding()] # Enabled advanced function support param( [ValidateScript( { Test-Path -Path $_.FullName -PathType Leaf })] [Parameter(Mandatory)] [system.io.fileinfo] $FilePath ) PROCESS { # Read ast tokens from file try { New-Variable astTokens -Force -ErrorAction Stop New-Variable astErr -Force -ErrorAction Stop $null = [System.Management.Automation.Language.Parser]::ParseFile($FilePath, [ref]$astTokens, [ref]$astErr) Write-Verbose -Message 'Read file content' } catch { throw "Failed to read file content with error: $PSItem" } # Find PSScriptInfo comment token $PSScriptInfo = $astTokens.where{ $_.kind -eq 'comment' -and $_.text.Replace("`r", '').Split("`n")[0] -like '<#PSScriptInfo*' } Write-Verbose -Message 'Parsed powershell script file and extracted raw PSScriptInfoText' if (-not $PSScriptInfo) { throw 'No PSScriptInfo found in file' } $StartLine = $PSScriptInfo.extent.StartLineNumber $EndLine = $PSScriptInfo.extent.EndLineNumber # Read file try { $FileContent = Get-Content -Path $FilePath -ErrorAction Stop Write-Verbose -Message 'Collected file content' } catch { throw "Failed to read file content with error: $PSItem" } # Exclude PSScriptInfo $NewContent = ($FileContent | Select-Object -First ($StartLine - 1) -ErrorAction stop) + ($FileContent | Select-Object -Skip ($EndLine) -ErrorAction Stop) Write-Verbose -Message 'Concatinated content around removed PSScriptInfo' # Write content back to file try { $NewContent | Set-Content -Path $FilePath -ErrorAction Stop Write-Verbose -Message 'Wrote content to back to file' } catch { throw "Failed to write content back to file with error: $PSItem" } } } #endregion |