Re: [Gramps-users] tools to compare two Family Trees

[Deborah B. <de...@al...>]

I dug into the problem of comparing two GEDCOM files again today, and asked
a friend who is a technologist and also a long time family history
researcher. He did some Google research and found some links. He found a
link to a current version of the gedcomdiff program (now gedcom diff). (I
had only found a link to an old obsolete version).

I have only downloaded the program and figured out the command line flags
to make it work. But I did get a HTML output file which was browsable and
seems to  show the differences between my GEDCOM files.

Tomorrow I want to learn enough go to put in some usage helps and perhaps a
--help flag (neither are there now).

I found gedcom diff here: https://github.com/elliotchance/gedcom and the
releases (built binaries, no packages) for mac, windows and linux here:
https://github.com/elliotchance/gedcom/releases.

-deborah

On Sun, Apr 5, 2020 at 7:30 AM Paul Culley <pau...@gm...> wrote:

> The merge problem is quite large; I have spent a fair amount of time
> nibbling at the edges.  For example, I have some work done on merging
> places during GEDCOM import as a part of the Place Enhancements GEPS
> <https://github.com/gramps-project/gramps/pull/809>.  A small part of the
> overall problem.  I've also done some tweaks to the "Find duplicate People
> tool" here <https://github.com/gramps-project/gramps/pull/1005>.
>
> And for folks who share with Gramps XML files that are derived from a
> single Gramps db (instead of GEDCOM from who knows where) I've created the
> Import_Merge_Tool
> <https://gramps-project.org/wiki/index.php/Import_Merge_Tool>.  This tool
> takes advantage of the handles Gramps uses to link objects together to help
> identify differences between trees.  Even then, it still asks the user for
> permission to perform merges if ANYTHING is different.
>
> If you can think of ways to make any of this easier for the user, I am
> very willing to assist you in getting this coded up.
>
> GEDCOM files are not as well specified as one might hope for, especially
> given their wide usage.  And many programs will modify the data internally
> so if exported to GEDCOM the results may not look at all like what was
> imported from GEDCOM.  Gramps has this 'flaw' itself, a side effect of the
> core data model not matching GEDCOMs unspecified but assumed data model.
>
> Paul C.
>
> On Sat, Apr 4, 2020 at 7:13 PM Deborah Bennett <de...@al...>
> wrote:
>
>> Thanks everyone for your replies.
>>
>> So, now I move into “how can I help” mode. I am a programmer (retired).
>> If I were to learn how to be a gramps developer, where could I work that
>> would contribute to making what I want to do more likely in the future?
>>
>> -deborah
>>
>> On Apr 3, 2020, at 6:27 PM, Deborah Bennett <de...@al...> wrote:
>>
>>
>> 
>> If this is an answered FAQ, please point me to the answer.
>>
>> I am wondering what tools are available in Gramps to compare two family
>> trees which are similar but not identical.
>>
>> I do a lot of genealogy research on FamilySearch.com, where I get hints
>> on new sources which may relate to my family tree. However, I keep my
>> curated, master family tree on Gramps on my Linux laptop. I have a huge
>> amount of new sources and relatives which are on FamilySearch, and I would
>> like to bring it into my Gramps tree.
>>
>> I know there are no synchronization tools available, so I created a
>> GEDCOM file from FamilySearch (using the Branches Pro app on my iPad). I
>> imported that GEDCOM into a new empty tree on Gramps. Now I would like to
>> compare them. I would especially like to find things like events or sources
>> which are in one tree but not the other. Are there any tools for this?
>>
>> Also, if there are any GEDCOM comparison tools available (for free
>> please) out there that run on Linux, I would like to hear about them. I
>> checked on Cyndi's list here
>> https://www.cyndislist.com/gedcom/gedcom-software/
>> but found nothing free and available which was useful. (I did report
>> several broken links to several programs which sounded likely).
>>
>> Please, no recipes which involve additional software development on my
>> own. I am looking for a working solution right now. CLI or application or
>> Web are all fine.
>>
>> Thanks,
>> -deborah bennett
>>
>>
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