How to Rename Batch Files in OS X
Sometimes, you may want to take large groups of files---like those downloaded from a digital camera---and rename them all according to a consistent pattern. This can be tedious and unpleasant if you're forced to rename each individual file. Mac OS provides utilities to "batch rename" files---perform a single rename operation on as many files as you want.
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Instructions
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Download and install Apple's small Batch File Rename application.
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Click and drag to select a group of files---as large as you want---to be renamed. Drag this group onto the Batch File Rename application icon.
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Select the rename action you want to perform from the pop-up menu, click "OK," and enter the details of your operation.
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Perform more advanced batch renaming operations with the free utility Name Mangler. Drag files into the Name Mangler window, select your desired operation from the drop-down menu, and enter the operation details in the fields that appear. Name Mangler also provides a scripting language, so that advanced users may program the precise changes they want to make.
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