In this three-pane interface, the left-most pane displays a map of the file differences. Let’s take a look at the difference between the Windows Janitor script I posted last week versus an updated version a reader posted. Not only can WinMerge detail differences in file listings, but it can also visually identify differences within files it can understand, like text files. Or, you can copy files that exist on one side to the other using the “Copy Left” and “Copy Right” buttons in the toolbar (or key combinations Alt+Left Arrow and Alt+Right Arrow.) You’ll get a file listing that displays all the files in both folders, which are identical and which exist on the “left” or “right” folder.įrom the file listing, you can right-click on any entry to open (either version, where applicable) using your default application for the filetype. First, in Windows Explorer, select the two directories of photos (in this example, c:\photos\ and c:\pics\, and choose “WinMerge” from the context menu. You’ve got two directories of photos downloaded from the camera - some were cropped and de-redeyed, some weren’t, new photos were taken and old ones re-downloaded. At first glance WinMerge is a little intimidating - especially to non-coders - but it’s actually quite helpful once you make it your friend. Let’s take a look.ĭownload WinMerge and get it installed on your PC (sorry Mac users.) Check off Windows Explorer integration during installation - it comes in very handy later. The free, open source, previously-mentioned WinMerge is a powerful utility that can help coders and civilians alike merge and compare data on their hard drives. You want to merge the changes between two updated files into one. You and your co-worker lost track of who made the latest changes to that PowerPoint presentation. Say your kids downloaded images from the digital camera repeatedly to folders all over your hard drive. Figuring out what’s changed, what hasn’t and merging it all back together can be a huge pain in the ass, but it doesn’t have to be.
When several people are updating and making copies of the same files, multiple versions easily blossom out of control. Geek To Live: Compare and merge files and folders with WinMerge
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