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                                                   Download symbols, update symbols, then download historical data


Joshua Laferriere
2020-03-15 12:11:16

I'm not sure if this is under the category of "creating a downloader"

I've had this software for over a year and I'm slowly learning it. I just realized how to add symbols to the left hand pane.

Anyways... I'm trying to automate everything, so rather than manually use quantshare's import symbols from file.

I would like to somehow initiate this symbol importer via startup script loading this mutual funds symbol list from ftp (or at least a way to initiate it from a file I parse from this ftp) as the list is updated daily, then update Quantshare's symbol list (i.e. delist), then download historical data for those symbols

Pointing me in the right direction is more than fine. Forgive me for my newbness

2020-03-18 11:03:03


Hi Joshua,

In order to automate this. Download the file, add symbols, remove old ones, you would need to create a custom script in C# using "Tools -> Script Editor"

Here is an example of such script: (This one will add symbols)

string data = App.Net.DownloadString("");
string[] lines = data.Split('\ n'); // Remove extra space between \ and n
for(int i=1;i < lines.Length;i++)
string symbol = lines[i].Split('|')[0];

Joshua Laferriere
2020-03-18 14:40:14


I slightly modified the code to crop the last 2 lines from the file in the for loop. I tested (//) by writing to the left hand output pane. It never completes adding symbols, but it will print them just fine.

string data = App.Net.DownloadString("");
string[] lines = data.Split('
'); // Remove extra space between \ and n

//skip last two lines
for(int i=1;i < (lines.Length-2);i++)
string symbol = lines[i].Split('|')[0];

Joshua Laferriere
2020-03-19 11:58:35


Best Answer
I've been letting that script run for about 4 hours now and it's not working.

2020-03-25 15:31:57


Since you used Global.Trace, what do you see in the trace (View -> Output)? Do you see the symbol names there?
Maybe the script completed. You will see the button switch from "Cancel" to "Execute".

Joshua Laferriere
2020-03-25 16:15:09


If I uncomment Global.Trace and takeout Symbols.AddSymbol , it will output to the window in about 5 to 30 seconds (I forget tbh, but if I comment Global.Trace1 out and leave in Symbols.AddSymbol, it never finishes executing.

2020-03-31 15:20:19


We just run the script again and we can see new symbols added to the database (Symbols list).

When using:

It should output all the symbols that are being added to the database. You can see there the progress.

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