OK. so readfile was easy. I think I missed a trick there. Anyway…


The big difference between Yahoo and the BLS is that the BLS returns a JSON format. Any suggestions on parsing a JSON result string? Will join do that?




From: [] On Behalf Of Logan Kelly
Sent: Monday, April 21, 2014 4:41 PM
To: Gretl development
Subject: Re: [Gretl-devel] New function for retrieving data from BLS



I see your point about including comand line programs. I will have a look at the Yahoo package. 




Sent from my T-Mobile 4G LTE Device


-------- Original message --------

From: Allin Cottrell

Date:04/21/2014 4:24 PM (GMT-06:00)

To: Gretl development

Subject: Re: [Gretl-devel] New function for retrieving data from BLS


On Mon, 21 Apr 2014, Logan Kelly wrote:

> I have written a function in C# that retrieves data from the BLS API. I
> can integrate this into gretl using a call to a shell command, i.e.
> $(...). But I would like to develop, and make available to the gretl
> community, a getBLS function. Could someone give me some pointers for a
> better integration of the API call and the gretl script? Or can a
> command line program be include in a function package? Also, is this a
> function anyone would use?  If so, I might also think about a getFRED
> function too?

Jack Lucchetti's "yahoo_get" function package (or the server) would be a
good place to look first for an example of accessing a website and
downloading data via hansl.

Off the bat, I don't think it would work to include a command line program
in a function package. For one thing, how would it be included in an XML
file? For another, function packages are intended to be cross-platform and
only dependent on gretl itself (though I guess we could make an exception
for a dependency on third party programs that are themselves available in
gretl-friendly forms for all platforms, such as X13as.)

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