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  1. #1
    Join Date
    Aug 2008
    Posts
    1

    Default Compare folders disregarding file names

    How do you do the following:

    Compare 2 folders to find files with identical CONTENTS disregarding the file names.
    So that all identical files in one folder (with subfolders) will be shown together AND lined up with the same identical files in the other folder (with subfolders). Not giving a hoot about what the files names are in the comparison process. So comparison is either done by byte-to-byte comparison or checksum comparison.

    I can't get the program to line up identical files when the file names differ.

  2. #2
    Join Date
    May 2005
    Posts
    5

    Default

    In BC2, while in the folder comparison view, try clicking on the Size bar at the top of either pane (left or right). This will sort the files by Size.

  3. #3
    Join Date
    Oct 2007
    Location
    Pennsylvania
    Posts
    1,772

    Default

    There is no way to align files based on content only...but it is on the wish list, so it may be implemented in a future release. I recommend that you right-click on the column headers and add the CRC column. Although they won't align with each other, two files that have identical contents but different file names will have the same CRC, so it should be easier to identify them.

    Unfortunately, sorting by the CRC column does not work very well. I'll open another thread to track that issue.
    BC v4.0.7 build 19761
    ŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻ

  4. #4
    Join Date
    Jan 2008
    Location
    Alabama
    Posts
    42

    Default

    BC3 needs some basis for associating the file via the filenames. If the filenames have some common element then you can use an "Alignment Override" rule.

    See the help file (2nd entry under the Index) for usage and examples.

    My understanding is that since this is associated with the folder view (list of files), the control is located in the Session Settings screen.

    So, from an Folder Compare window, click the Referee or...Session menu > Session Settings.
    then, > Misc Tab
    > New
    > add rules for left and right file names.

  5. #5
    Join Date
    Oct 2007
    Location
    Pennsylvania
    Posts
    1,772

    Default

    Yes, I've used alignment overrides on numerous occasions. I believe the original poster wanted to align files with the same content when filenames are unknown (or do not share a common element). The only way to do that is to compare the CRC columns then manually align files with the same CRC.
    BC v4.0.7 build 19761
    ŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻ

  6. #6
    Join Date
    Nov 2008
    Posts
    2

    Cool

    Quote Originally Posted by Michael Bulgrien View Post
    There is no way to align files based on content only...but it is on the wish list, so it may be implemented in a future release. I recommend that you right-click on the column headers and add the CRC column. Although they won't align with each other, two files that have identical contents but different file names will have the same CRC, so it should be easier to identify them.

    Unfortunately, sorting by the CRC column does not work very well. I'll open another thread to track that issue.
    I'm a new (and very happy and very impressed) user of BC3. The functionality and the user interface are excellent, and the product is reliable and fast. Thanks for creating such a nice tool.

    I second the motion for this request ... I want to do exactly the same thing. I also tried the CRC idea and as you say, it does not work well.

    If you do implement this sort of mechanism, aligning (multiple) files of the same content, an obvious "Action" would be "delete or move duplicates", leaving only one copy of the file in the folder.

    Thanks.

    Ken

  7. #7
    Join Date
    Jun 2008
    Posts
    73

    Default

    There are a number of duplicate file finding programs around the net that can find all duplicates (regardless of name or number) within specified directories. Since that functionality exists, no one has to wait until BC3 (or BC4) includes it.

  8. #8
    Join Date
    Nov 2008
    Posts
    2

    Default

    Indeed, there are some reasonable duplicate finders out there. They vary considerably in ease of use, functionality and performance. (The one I'm using is Easy Duplicate Finder, http://www.easyduplicatefinder.com/.) It's reasonably easy to use and seems faster than most such tools I've found.

    The problem is that having a list of duplicate files in a separate program is awkward. I didn't find a reasonable tool that finds duplicates and provides the range of options BC3 does for moving, or deleting or copying them, etc.

    BC3 gives me almost everything I need for comparing and dealing with files that may or may not be identical. It includes the ability to do a binary compare of sets of files, but doesn't make it quite easy enough to operate on files that happen to have different names but the same content.

    A "small" additional feature would eliminate the need for yet another utility and would substantially improve my productivity.

  9. #9
    Join Date
    Dec 2008
    Posts
    26

    Default

    Quote Originally Posted by BHarney View Post
    In BC2, while in the folder comparison view, try clicking on the Size bar at the top of either pane (left or right). This will sort the files by Size.
    Excellent idea. After sorting by size, the files are in the same order left and right. Unfortunately they are not matched by the program, meaning that they are on alternating lines (not on the same ones) and still displayed as orphans ...

    So from my tests, it didn't solve this:

    Quote Originally Posted by larryvega View Post
    I can't get the program to line up identical files when the file names differ.
    Or can it ?

  10. #10
    Join Date
    Dec 2008
    Posts
    26

    Default

    Quote Originally Posted by JohnFLand View Post
    There are a number of duplicate file finding programs around the net that can find all duplicates (regardless of name or number) within specified directories. Since that functionality exists, no one has to wait until BC3 (or BC4) includes it.
    Yes, but the point is, they only *find* duplicates, but lack all the cool comparison functions that BC offers ... !

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