FileMerge will ask you for a new directory name, and then proceed to merge the two directories into a new one. Then select Combine Files from the Merge pop-up menu (or press Command-1). To do this, select all the files in the leftmost column (click on one and then hit Command-A to select all). But you can also use FileMerge to actually merge the two folders together into one new one. If all you wanted to do was to visually compare the two folders’ contents, you’re done. Read more about these options in FileMerge’s Help file. The Ancestor and Merge views only apply to people using FileMerge to check code. Choose Comparison (for text files only) to open the traditional FileMerge comparison window, or use the Left File and Right File options to see the actual text or images in the specified folder. If you’d like to look at any of the files, click the View button to display a drop-down menu of options. Launch it, then drag one folder into each drop zone in the Compare Files window: You could invest in a synchronization utility such as Econ Technologies’ $30ĬhronoSync, but that might be overkill for your needs. For example, say you have two folders of images, and you’d like them to be identical. This feature is very handy if you do a lot of work with HTML, PHP, or other pure text files, and often have multiple versions of a basically-identical file on your disk.īut what not many people know is that you can also use FileMerge to compare two folders. This program is typically used to compare two text files-drag files to the Left and Right drop zones in the Compare Files window, and FileMerge will put up a comparison page that shows the differences between the two files. Consider FileMerge, which you’ll find in /Developer -> Applications -> Utilities. But it’s worth exploring the Developer folder, as it holds some very useful tools. #Macos diff two directories softwareThis probably isn't a problem for your rsync scenario.Installed Xcode, you may not use it much unless you create software for a living. Extra files in b will not be identified, since the list is constructed from the contents of a.If you required that, you would need a second find pass to identify all the symlinks and then explicitly check for their existence in b. since we are skipping symlinks entirely, this won't notice if symlink names are not present in b.This will identify files that differ in content, or files which are in a but not in b. Or as a one-liner: for f in `find a/* ! -type l` do diff -rq $f b/$ done Pass your directories a and b in as arguments: #!/bin/bash If you really want to do this with diff, then you can use find to skip the symlinks, and run diff on each file individually. If you don't want to do that, then check-summing the directory may be sufficient. If all you want is to verify an rsync (and presumably fix what's missing), then you could just run the rsync command a second time. #Macos diff two directories PatchTo, diff outputs the difference between the two files, instead ofĭiff should optionally report changes to special files specially,Īnd patch should be extended to understand these extensions. For example, if you change which file a symbolic link points This means that patch cannot represent changes to suchįiles. It treats other special files like regular files if they are specifiedĪt the top level, but simply reports their presence when comparingĭirectories. Currently, diff treats symbolic links like regular files Some files are neither directories nor regular files: they are unusualįiles like symbolic links, device special files, named pipes, and Unfortunately, older versions of diff don't support ignoring symlinks: For version 3.3 or later of diff, you should use the -no-dereference option, as described in Pete Harlan's answer.
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