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Folders and files

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dfm

Duplicate File Manager

gem install dfm

The purpose of dfm is to locate duplicate files through a recursive search.

You can create an instance of the DFM object with optionally specifying the directory path and the file extensions.

dfm = DFM.new( path: './', filters: ["jpg","png"] ) 

If you are using a ruby version before 2 then this would be:

dfm = DFM.new( { :path => './', :filters => ["jpg","png"] } ) 

Or you can use the default behaviour which uses the current directory and searches all files.

dfm = DFM.new

Then you may get a hash of the MD5 hexdigest matches (indicating files with identical content) by

dfm.hex 

And by duplicate file name by

dfm.name 

Either of these can be called with false if you want only single instances of files.

dfm.hex( false ) 
dfm.name( false ) 

Also included is a command line version which outputs nicely formatted JSON in case you would like to use it with anything else. Type dfm -h on the command line to get a list of available options. Running dfm by itself will recursively search the current folder for all duplicates by both file name and MD5 hexdigest indexes.

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