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Komparator

   0.9  

KDE Archiving/Backup

Score 82%
jaegerschnitzeljaegerschnit zel
Komparator
zoom

Komparator
zoom

Komparator
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Link:  Link
Downloads:  10199
Submitted:  Jan 8 2006
Updated:  Feb 28 2008

Description:

For KDE4 port of Komparator look at

http://www.kde-apps.org/content/show.php?content=116039

Komparator is an application that searches and synchronizes two directories. It discovers duplicate, newer or missing files and empty folders.
It works on local and network / kioslave protocol folders (like smb:/, ftp://, media:/ or fonts:/ ;-).




Changelog:

0.9
===
* Bug fixes
* New empty folder search
* Italian translation by Giovanni Scafora

0.8
===
* Compatibility to dark desktop color themes
* Duplicate files search in right url only
* French translation by Dji Pih
* Many bugfixes

0.7
===
* Small interface improvements
* Bug fixes

0.6
===
* Interface improvements
* Settings tab
* Right folder can have "virtual subfolders"
* Bug fixes

0.5
===
* Filters to display only specific files
* Regex that the file name may not contain
* In-/Exclude hidden items
* Some bug fixes

0.4
===
* GUI improvements.
* KompareDialog (A dialog that displays "preview information", like meta info, kdiff3, etc. on two files. Open with popup menu.)
* Many small bug fixes.
* Source code cleanups.
* Dutch translation (thanks to Rinse de Vries).

0.3
===
* interface improvements
* source code cleanups
* presets
* "What's this" help
* Russian translation (thanks to Alexander V. Ribchansky)
* many bugfixes
* Look at the ChangeLog file for details

0.2
===
* experimental kioslave support.
* Drag & drop missing / newer files from left to right side & vice versa.
* Special characters in URLs fixed.
* Status bar including progress of kompare and about / help button.
* Source code cleanups.
* GUI cleanups.
* First documentation attempt.

0.1
===
* initial release




License: GPL
Source
Gentoo(Gentoo ebuild)
Ubuntu(Ubuntu 7.10 i686 binary package)
Ubuntu(Ubuntu 7.10 amd64 binary package)
SUSE(SuSE 10.3 i586 binary rpm)
SUSE(SuSE 10.3 x86_64 binary rpm)
SUSE(SuSE 10.x source rpm)
other(PCLinuxOS 2007 rpm)
Mandriva(Mandriva 2008.0 i586 Repository)
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 nice!

 
 by hoernerfranz on: Mar 4 2006  
Score 50%
hoernerfranzhoernerfranz
Home

this could really fulfil the need for a kde-program like unison.
however, I would suggest some improvements:

- speed
- doesn't fit to screen (1024x768, kicker left)
- profiles for recurring tasks
- restart/go button

please don't feel offended, I really appreciate your work, but if compared to unison w.rg. the mentioned issues, I hope it is clear ?


Reply to this

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 Re: nice!

 
 by jaegerschnitzel on: Mar 4 2006  
Score 50%
jaegerschnitzeljaegerschnit zel

> please don't feel offended

Surely not, I'm always glad to hear constructive criticism, so I can improve komparator.
Let me commment on these issues:


> - speed
I just installed unison to compare the speed. On my test setup (~2GB, 500 files), most of them different, unison needed ~200s, and komparator ~10s.
But if both directories were identical (worst case for komparator), unison took the same time, komparator ~240s. I think that's because unison doesn't use the md5 checksum, but a rather fast "fingerprint". I consider using a faster but less accurate checksum. If you have found a more drastical difference of compare speed, please tell me you test setup.


> - doesn't fit to screen (1024x768, kicker left)
I'll fix that. I thought it usually fits on the screen, but that will depend on translation and window style.


> - profiles for recurring tasks
Did you have a look at the "presets" option? I think, that's what you were looking for. If not, write me, what you are missing.


> - restart/go button
OK, I thought hitting the button twice ("Clear" & "Search") would be fine for users, however, it's no problem to add such a button.
But as you noticed, the interface is already too big, so I'm not sure where to put it.


If you have any questions, bugs, suggestions, feel free to ask again.


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 Re: Re: nice!

 
 by hoernerfranz on: Mar 5 2006  
Score 50%
hoernerfranzhoernerfranz
Home

> If you have found a more drastical difference of compare speed, please tell me you test setup.

hmm, I just checked again: unison needs 7 sec for scan folders, komparator 130 sec - maybe it is relevant that one folder is an nfs-share ?

> - profiles for recurring tasks

ok, I overlooked this one, thanks :)

> OK, I thought hitting the button twice ("Clear" & "Search") would be fine for users, however, it's no problem to add such a button.

again, didn't realize this, it's perfectly ok.

so, please keep up working on this program - as said, it fills a real gap in kde !


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 Re: Re: Re: nice!

 
 by jaegerschnitzel on: Mar 6 2006  
Score 50%
jaegerschnitzeljaegerschnit zel

OK, I created a nfs share on my computer and accessed it on the same computer; however, in some cases, kfind (and therefore komparator, too) ate up all my memory and swap.
In the other cases, it wasn't really that slow.
Probably you could mount the nfs share, so you don't need to use the (buggy and/or slow) kioslave?


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 Re: Re: Re: Re: nice!

 
 by hoernerfranz on: Mar 8 2006  
Score 50%
hoernerfranzhoernerfranz
Home

well, my test-case actually _is_ a mounted nfs-share (via fstab), directly accessed (not with kioslave).
maybe kfind is just ineffective with such a setup ?


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 Re: Re: Re: Re: Re:

 
 by jaegerschnitzel on: Mar 10 2006  
Score 50%
jaegerschnitzeljaegerschnit zel

Can you check, how long it takes to search for all files "*" in this nfs mounted folder using kfind?


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 Re: Re: Re: Re: Re: Re:

 
 by hoernerfranz on: Mar 12 2006  
Score 50%
hoernerfranzhoernerfranz
Home

ok, did so:
~23 sec, 1850 files.



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 Re: Re: Re: Re: Re:

 
 by jaegerschnitzel on: Mar 21 2006  
Score 50%
jaegerschnitzeljaegerschnit zel

Sorry for the long delay. I don't exactly know, what's so time-consuming on your setup.
Please try to disable search for empty folders, only search for file size (not md5 checksum and binary comparison).
Unfortunately, I don't have too much time at the moment; but I'll keep this problem in mind.



-
.

 comparison to unison

 
 by ich666 on: Mar 23 2006  
Score 50%
ich666ich666
c0n.de
Home

well even if the mail goal of Komparator seems to be a bit different to the goal of unison and therefore a comparison (notice the word-play :) of komparator and unison is not what one should go in first place, but still my 2cents:

I use unison for synchronizing my work/data files between different computers (laptop, desktop, remote university workstation) and its main strength is that it keeps track of the current status of the files and automatically generates a list of which files to update from A to B and which from B to A ... only thing I have to do is press "ok, I really want to update it like you suggested" after a short check if it sounds reasonable.

Now as far as I can see your approach is more like "on the fly" sync arbitrary folders with one folder as reference - so one needs some user interaction to get everything synced correctly (especially if some files changed on A und others on B)

But I guess the only way to get it "autodecide" is keeping a database of the files from the last sync (like unison does) ... not sure if this is to far away from the main goals of your project? So for now I stick to unison.


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 Re: comparison to un

 
 by jaegerschnitzel on: Mar 23 2006  
Score 50%
jaegerschnitzeljaegerschnit zel

That's true. komparator was not designed to keep folders automatically synced. For this purpose one could use rsync (as a cron job, for example) or cp with appropriate arguments, or unison, or kitchensync (never really tried it), or ....


However, last time I rsynced a folder on a reiserfs and a vfat file system (file names' cases were corrupt, two upper case letters were converted to lower case), I got all those lower case named files in my reiserfs folder. It was hard to get them out again.


komparator lists all files that were possibly changed, and lets the user decide, which were really changed, and need to be copied. Plus: the kioslaves are rather practical to access many types of remote and local folders and archives.
Of course you should chose the application that suits your needs best. A database holding information about synced folders is currently not planned.


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.

 Nice tool!

 
 by jlt1 on: Mar 29 2006  
Score 50%
jlt1jlt1


Komparator is just what I was looking for. Thanks.



I do have a suggestion, though; it would be nice to be able to turn off displaying of the files as they are selected for e.g. deletion. I did not realise until quite a while that the file display windows were piling up behind the Komparator window as I worked.

Leslie
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 Re: Nice tool!

 
 by jaegerschnitzel on: Mar 30 2006  
Score 50%
jaegerschnitzeljaegerschnit zel

Thanks.
In the next release you'll be able to "Don't show this message again".
Btw: These messages pop up before the main window on my system. However, the ftp password query pops up behind it. I don't know why.


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 Re: Re: Nice tool!

 
 by dfaure on: May 21 2006  
Score 50%
dfauredfaure
KDAB/Trollte ch
Home

Pass a widget to the KIO::Job using setWindow().

David Faure
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 Re: Re: Re: Nice too

 
 by jaegerschnitzel on: May 25 2006  
Score 50%
jaegerschnitzeljaegerschnit zel

Thanks for that hint! I'll try it.


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 Darn them bugs

 
 by RyanDBair on: May 19 2006  
Score 50%
RyanDBairRyanDBair

Very nice program, I nearly started to write my own before stumbling across this.

Unfortunately, I have had *MAJOR* stability issues. I tried using the deb provided and compiling on my own, but it crashes randomly quite often.

I have an SMP system, I thought maybe that had something to do with it... In anycase I'll be looking over the source to see if I can't nail it down.

Here's a typical error message I get in the console:
*** glibc detected ***
malloc(): memory corruption (fast)
: 0x0a066c37 ***
KCrash: Application 'komparator' crashing...
QSocketNotifier: invalid socket 17 and type 'Read', disabling...

Anyone else experiencing this?


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 Re: Darn them bugs

 
 by jaegerschnitzel on: May 25 2006  
Score 50%
jaegerschnitzeljaegerschnit zel

Hi. I tried to reproduce this bug with "qemu -smp 2" and Ubuntu 5.10, however I didn't manage it to make it crash. Googling for that error didn't give much information. Backtracing a crash would be helpful. However, as nobody seems to experience these problems, I tend to think that it's either a smp (hard for me to find as it doesn't occur on qemu smp) or your installation related problem.It would be good if you contacted me personally if you still have these problems and you want to try to fix that bug.


Reply to this

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.

 Not what i expected.

 
 by wedgen on: Aug 9 2006  
Score 50%
wedgenwedgen

I played with the gtk gui for unison, but i wanted a nice QT/KDE gui that would set itself in my sys tray and do auto syncing periodicly when the network resource i provide it is visible. However, this app is very combersom and not nearly as efficent as the gtk app. It keep coping files over that were already synced. I was very disapointed. Its possible i dont have it configured right, but i played with all the options that i could see, and i didnt see anything that would prevent the problem. I guess ill keep using the gtk app and manually sync my data.


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 Re: Not what i expec

 
 by jaegerschnitzel on: Aug 9 2006  
Score 50%
jaegerschnitzeljaegerschnit zel

As mentioned above, komparator is no GUI for or clone of unison. komparator won't sync anything automatically, as it wasn't designed for this purpose.

If you like to help improve komparator, please write a bug report including information how to reproduce the bug you've found.


Reply to this

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 .svn directories

 
 by skintwin on: Sep 12 2006  
Score 50%
skintwinskintwin

I don't see how .svn directories can be excluded from search.

It seems to be the only thing which prevents me from using komparator for what I need.

Keep the good work!


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 Re: .svn directories

 
 by jaegerschnitzel on: Sep 12 2006  
Score 50%
jaegerschnitzeljaegerschnit zel

With komparator-0.4 they cannot be excluded. However, this feature has been requested some time ago, and in komparator-0.5 you will be able to exclude hidden items in general, or only specific ones (by regex).
I'm about to release komparator-0.5 the next days, so come back later this week.


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