Viktoras Didziulis wrote:
Asking again :-)... I have a program that creates indexes of values stored
in raster maps. It needs to tie array to a file on a hard drive and get the
file updated  when the array is modified during runtime. Also when the the
program exits it saves array contents to file so that when it is opened
again, it would initiate an array from the file stored. Perl has sdbm and
several other modules that can tie hash to dbm files stored externaly. How
can this be done in Transcript?

You can use a stack file for storage, saving the array like this:

  set the customProperties of stack "MyData" to tMyArrayA

You can put them back into an array with:

  put the customProperties of stack "MyData" into tMyArrayA

And you can access elements directly in the data stack:

  get the <elementName> of stack "MyData"

You can obtain a list of element keys in the stack properties with:

  get the customKeys of stack "MyData"


For more on using stacks as data files:
<http://lists.runrev.com/pipermail/use-revolution/2002-July/006149.html>

--
 Richard Gaskin
 Managing Editor, revJournal
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