[amibroker] "Refreshing" a file: Write or Append?

["giggollo99" <giggollo@xxxxxxxxxxx>]

Hi all,

I just managed to get automatic trading to work with the IB
Controller, everyone should check this out, its amazing. I would like
to loop over a watchlist of symbols and print to a file some buy and
sell points for those symbols. The problem is if i fopen the file in
write mode ("w"), the file will be overwritten everytime the AFL is
executed for each symbol and i end up with just one line for the last
symbol processed. If I use append mode ("a"), and perform the
operation say once a minute, i will get all the entry points repeated
for each time the scan is run. What i would like is to have one file
that is "refreshed" each time the scan is run (no repetetion of
symbols for each time i run the scan. Whats the best way to do this? 

Thanks in advance
g





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