Clone Spy is a free portable application that can detect file duplicates in a number of ways and react automatically or after user input on the discovery of such files. Duplicates are detected by comparing file checksums, names, sizes and a combination of those parameters. Clone Spy provides two distinctive ways of checking files for duplicates. The first is by selecting at least one folder from the system with the option to pick as many folders and subfolders as needed. Subfolders can be selected automatically by choosing to add all siblings folder of the selected folder.
Once the folders have been selected they can be immediately checked for duplicates. Once a duplicate has been detected it can be deleted or moved immediately. Other options include the creation of a list of duplicate files and the creation of a batch file. The second option is interesting as well. Files can be compared to checksum files that have been previously generated which results in a faster processing speed. Ideal for instance if you store files that will stay on your system and that you only add new files to.
Clone Spy provides several automatic options on how to handle duplicate files. It can delete older or newer files or files with a longer or shorter file name or path.
The process can be further customized in the program's options. There the user can include or exclude file types from being included in the scan, if and how file attributes affect the scanning and if specific folders should be ignored.
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Ghacks is a technology news blog that was founded in 2005 by Martin Brinkmann. It has since then become one of the most popular tech news sites on the Internet with five authors and regular contributions from freelance writers.