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RE: [amibroker] Is it possible to backup the studies ?

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FYI: For newer AB users: backtest reports can take up HUGE amounts of space. If you have been doing a lot of backtesting without deleting the old reports you can save possibly a hundred megabytes. PS: It will take awhile to delete all those so be patient.

--

Terry

-----Original Message-----
From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] On Behalf Of Dan Clark
Sent: Friday, December 16, 2005 04:48
To: amibroker@xxxxxxxxxxxxxxx
Subject: RE: [amibroker] Is it possible to backup the studies ?

 

For Tintin,

 

Currently my AB folders total about 600Mb of data.   This can be backed up quite easily onto a CD in about 3-4 minutes.   Since I upgraded my computers to use Gig NICs, copying between my desktop and laptop only takes about 6 minutes (the laptop disk is the bottleneck).

 

Bottom line – backing up the whole thing is far easier and faster than trying to back up piece parts.

 

Regards,

 

Dan.

 

From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] On Behalf Of Tomasz Janeczko
Sent: Friday, December 16, 2005 1:09 AM
To: amibroker@xxxxxxxxxxxxxxx
Subject: Re: [amibroker] Is it possible to backup the studies ?

 

Hello,

 

> Ultimately I concluded that it is easier just to do a complete backup/copy of AB if one wants to save everything.

 

Exactly. Keep everything (including database directories)

in one place (inside AmIBroker installation directory) and just copy entire dir with all subdirs.


Best regards,
Tomasz Janeczko
amibroker.com

----- Original Message -----

From: NW Trader

Sent: Friday, December 16, 2005 9:09 AM

Subject: Re: [amibroker] Is it possible to backup the studies ?

 

Hi Tintin,

 

The answer is a bit more complicated than you might think because of the way that AB stores information.  To learn more about this area (which if you want to copy your AB files between computers, or do a true backup you should), go to: http://www.amibroker.com/guide/x_files.html and read the linked pages as well.

 

The not so simple answer to your question about backing up trendlines, horizontal lines, etc. (i.e., tool drawn studies), is something like this.  Trendlines are stored in individual symbol files in the database folder.  So to backup your existing drawn studies, you must copy the database folder (you can have as many databases as you want).   However - to have trendlines (and other studies) displayed you must copy the Layouts and also the Formulas folder because each chart pane is tied to a particular formula via the Chart ID.  Thus, each trendline is assigned to the chart window recognized by CHART ID (you can see which chart ID each chart pane has via the Pane's Parameters  --> Axes & Grid Tab, Miscellaneous).   You can see that if that particular chart is not displayed, the trendline will not be visible either. 

 

I wrote a paper on this last summer when looking into ways to synchronize AB on multiple computers and learned a lot.  Ultimately I concluded that it is easier just to do a complete backup/copy of AB if one wants to save everything.

 

Peace and Justice   ---   Patrick

 

***  BTW, Mike Ringgold -- the answer to your Layouts question is also tied to the chart ID  --  I created a setup like what you are describing with the directions already provided in a couple minutes.  AB can do it, but perhaps you can't.   ---P---

----- Original Message -----

From: tintin92

Sent: Thursday, December 15, 2005 9:26 AM

Subject: Re: [amibroker] Is it possible to backup the studies ?

 

Hi,

 

I saw the videos about the Layouts.

I dont think it's about all the things under :Insert in the AB menu.

 

Regards.

 

Tintin92

 

----- Original Message -----

From: amartinod

Sent: Thursday, December 15, 2005 4:50 PM

Subject: RE : [amibroker] Is it possible to backup the studies ?

 

Use the Layouts.

 

See the videos.

 

Regards,

 

AL,

 

 

 

-----Message d'origine-----
De : amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] De la part de tintin92
Envoyé : jeudi 15 décembre 2005 16:45
À : amibroker@xxxxxxxxxxxxxxx
Objet : Re: [amibroker] Is it possible to backup the studies ?

 

Hi dan,

 

What I am talking about when I speak about studies is all the horizontals lines, trendlines, paralleles lines, and all the stuff which comes with a chart.

All the things under :Insert in the AB menu.

 

If you dont care and close the chart where you put all this stuff, then you lose all your work.

 

Also I will find very usefull if I could copy and past all my work ( horizontals lines, trendlines, paralleles lines,  etc.. ) from one chart to another.

 

Regards.

 

Tintin92

 

 

----- Original Message -----

From: Dan Clark

Sent: Thursday, December 15, 2005 4:01 PM

Subject: RE: [amibroker] Is it possible to backup the studies ?

 

TinTin,

 

Assuming that you’re talking about the AFL studies in the ..\Forumulas folder, just backup them up when you back up your AB folder.  You ARE backing up AB aren’t you?

 

Regards,

 

Dan.

 

From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] On Behalf Of tintin92
Sent: Thursday, December 15, 2005 1:55 AM
To: amibroker@xxxxxxxxxxxxxxx
Subject: [amibroker] Is it possible to backup the studies ?

 

Hi,

Is it possible to back up the studies ?

Thanks

Tintin92





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