Functions/GenXdev.AI/Invoke-WinMerge.ps1
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Part of PowerShell module : GenXdev.AI Original cmdlet filename : Invoke-WinMerge.ps1 Original author : René Vaessen / GenXdev Version : 1.300.2025 ################################################################################ Copyright (c) René Vaessen / GenXdev Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. ################################################################################> ############################################################################### <# .SYNOPSIS Launches WinMerge to compare two files side by side. .DESCRIPTION Launches the WinMerge application to compare source and target files in a side by side diff view. The function validates the existence of both input files and ensures WinMerge is properly installed before launching. Provides optional wait functionality to pause execution until WinMerge closes. .PARAMETER SourcecodeFilePath Full or relative path to the source file for comparison. The file must exist and be accessible. .PARAMETER TargetcodeFilePath Full or relative path to the target file for comparison. The file must exist and be accessible. .PARAMETER Wait Switch parameter that when specified will cause the function to wait for the WinMerge application to close before continuing execution. .EXAMPLE Invoke-WinMerge -SourcecodeFilePath "C:\source\file1.txt" ` -TargetcodeFilePath "C:\target\file2.txt" ` -Wait .EXAMPLE merge "C:\source\file1.txt" "C:\target\file2.txt" #> function Invoke-WinMerge { [CmdletBinding()] param( ######################################################################## [Parameter( Mandatory = $true, Position = 0, HelpMessage = 'Path to the source file to compare' )] [ValidateNotNullOrEmpty()] [ValidateScript({ Microsoft.PowerShell.Management\Test-Path -LiteralPath $_ -PathType Leaf })] [string]$SourcecodeFilePath, ######################################################################## [Parameter( Mandatory = $true, Position = 1, HelpMessage = 'Path to the target file to compare against' )] [ValidateNotNullOrEmpty()] [ValidateScript({ Microsoft.PowerShell.Management\Test-Path -LiteralPath $_ -PathType Leaf })] [string]$TargetcodeFilePath, ######################################################################## [Parameter( Mandatory = $false, Position = 2, HelpMessage = 'Wait for WinMerge to close before continuing' )] [switch]$Wait ######################################################################## ) begin { # verify that winmerge is installed and accessible Microsoft.PowerShell.Utility\Write-Verbose 'Verifying WinMerge installation status...' GenXdev.AI\EnsureWinMergeInstalled # convert any relative paths to full paths for reliability $sourcePath = GenXdev.FileSystem\Expand-Path $SourcecodeFilePath $targetPath = GenXdev.FileSystem\Expand-Path $TargetcodeFilePath # log the resolved file paths for troubleshooting Microsoft.PowerShell.Utility\Write-Verbose "Resolved source file path: $sourcePath" Microsoft.PowerShell.Utility\Write-Verbose "Resolved target file path: $targetPath" } process { # prepare the process start parameters including executable and files $processArgs = @{ FilePath = 'WinMergeU.exe' ArgumentList = $sourcePath, $targetPath } # add wait parameter if specified to block until winmerge closes if ($Wait) { $processArgs['Wait'] = $true Microsoft.PowerShell.Utility\Write-Verbose 'Will wait for WinMerge process to exit' } # launch winmerge with the configured parameters Microsoft.PowerShell.Utility\Write-Verbose 'Launching WinMerge application...' Microsoft.PowerShell.Management\Start-Process @processArgs } end { } } |