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Salil,
The code has syntax error.
Foreign returns array. IsEmpty from ARRAY is also
ARRAY.
You can not use ARRAYS in conjunction with if because it
requires
single value (it has to decide YES or NO whenever one or
other execution path
should be choosen - and ARRAY has multiple
values)
BTW: you are using OLD version of the program because
newer
one would give you appropriate ERROR MESSAGE in this
case.
Best regards,Tomasz Janeczkoamibroker.com
<BLOCKQUOTE
>
----- Original Message -----
<DIV
>From:
Salil V
Gangal
To: <A title=amibroker@xxxxxxxxxxxxxxx
href="">amibroker@xxxxxxxxxxxxxxx
Sent: Wednesday, April 30, 2003 4:24
PM
Subject: RE: [amibroker] Re: How to
detect if 'foreign' is successful or not ?
Chuck,
Nope ... this technique was
not 'successful' when I tried. Code I
used in 'Guru' was ===>
x = <FONT
color=#0000ff size=1>IsEmpty(<FONT
color=#0000ff size=1>Foreign(<FONT
color=#ff00ff size=1>"MSFT<FONT
color=#ff00ff size=1>",<FONT
color=#ff00ff size=1>"Close"<FONT color=#000000
size=1>,fixup=1<FONT color=#000000
size=1>));
if (x) {
message = <FONT
face=courier color=#ff00ff size=1>"x is true"<FONT color=#000000
size=1>;
}
else {
message = <FONT
face=courier color=#ff00ff size=1>"x is false"<FONT color=#000000
size=1>;
}
message;
x = <FONT
color=#0000ff size=1>IsEmpty(<FONT
color=#0000ff size=1>Foreign(<FONT
color=#ff00ff size=1>"<FONT color=#ff00ff
size=1>Non_existant_ticker"<FONT
color=#000000 size=1>,"Close"<FONT
color=#000000 size=1>,fixup=1<FONT
color=#000000 size=1>));
i<FONT
face=courier>f (x) {
message = <FONT
face=courier color=#ff00ff size=1>"x is true"<FONT color=#000000
size=1>;
}
else {
message = <FONT
face=courier color=#ff00ff size=1>"x is false"<FONT color=#000000
size=1>;
}
message;
Regards,
- Salil V
GangalSalil V Gangal
<salil_gangal@xxxxxxxxx> wrote:
<BLOCKQUOTE
>
Chuck,
If you get a chance, try the example I gave in
'Guru'. Use one of the tickers that exists in the database
and one that does not. Please let me know if this technique is
'successful' (!) or not.
Regards,
- Salil V
GangalChuck Rademacher
<chuck_rademacher@xxxxxxxxxx> wrote:
<BLOCKQUOTE
>
<FONT face=Arial color=#0000ff
size=2>Why can't you just say:
<FONT face=Arial color=#0000ff
size=2>
<FONT face=Arial color=#0000ff
size=2>x = IsEmpty(Foreign("Symbol","Close",fixup=1));
<FONT face=Arial color=#0000ff
size=2>
<FONT face=Arial color=#0000ff
size=2>This should work if your Foreign instrument has no holes
and the date range is the same or longer than the stock you are evaluating
at the time.
<FONT face=Arial color=#0000ff
size=2>
<FONT face=Arial color=#0000ff
size=2>Works for me... unless I don't understand the
question.Send BUG REPORTS to
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