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Would the following (untested) code do the job?
global SymList = "";
global ShrList = "";
global DatList = "";
procedure addPosition(posString) {
local sym = StrExtract(posString, 0);
local shr = StrExtract(posString, 1);
local dat = StrExtract(posString, 2);
if (StrLen(SymList) > 0) {
SymList += ",";
}
SymList += sym;
if (StrLen(ShrList) > 0) {
ShrList += ",";
}
ShrList += shr;
if (StrLen(DatList) > 0) {
DatList += ",";
}
DatList += dat;
}
H1 = "SPY,500,06/04/2008";
H2 = "DIA,100,09/02/2008";
H3 = "QQQQ,300,08/04/2008";
addPosition(H1);
addPosition(H2);
addPosition(H3);
... At this point, I believe that your lists are as you wanted them.
Mike
--- In amibroker@xxxxxxxxxxxxxxx, "Ken Close" <ken45140@xxx> wrote:
>
> I have tried various constructions to achieve the following, but the
code
> gets complex and has no good way of detecting end of string.
>
> I would like to take a series of strings, H1, H2, H3, and create
lists of
> the elements, as such
>
> H1 = "SPY,500,06/04/2008";
> H2 = "DIA,100,09/02/2008";
> H3 = "QQQQ,300,08/04/2008";
>
> and turn them into these three lists
>
> SymList = "SPY,DIA,"QQQQ";
> ShrList = "500,100,300";
> DatList = "06/04/2008,09/02/2008,08/04/2008";
>
> Hx strings would be hard coded into the overall afl although one
could set
> up a variety of paramtxt statements to enter them.
>
> Seems like it would be somewhat easy (and maybe it is), but I get
bogged
> down in switch/case statements, or complex if/else statements.
>
> Anyone see a more simple way to arrange the strings.
>
> My ultimate goal is to have a list of "holdings" and some simple
statistics
> displayed.
> AA window with a Watchlist seems obvious--yes?--but I need to have
multiple
> positions of the same symbol, and I do not think you can put
multiples of
> the same symbol in a watchlist--same symbol with different shares
purchased
> on different dates-- (is there a way?).
>
> I next tried dynamic variables, in order to manipulate symbols and
their
> associated price statistics, but that bombed.
>
> So now I am attempting to display my list of holdings in a Gfx title
> statement.
> I successfully have it displayed, but using long strings, like above
for the
> SymList, ShrList, and DatList. This gets unmanageable when the
number of
> symbols gets large and you try, by eye, to coordinate the dates and
shares.
>
> Thus, I was hoping to list a three element string reprenting each
holding
> and then rearrage them into long string lists.
>
> any ideas?
>
> thanks.
>
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