On Jul 9, 2006, at 9:31 PM, Chris Richardson wrote:
One of the most common uses of $TEST in VistA is in screens (code, typically embedded in the DD) that "screens out" certain file entries so that they cannot be selected. These bits of code are just IF statements that set $T. You don't need it very often in your own code, but you sometimes see I 1 W "Hello " I "there!" The two spaces after the IF signal an implicit use of $T. The second line could have been written I $T W "there!" These days, it is probably more common to see "dot" notation I 1 D .W "Hello " .W "there!" Gregory Woodhouse "Judge a man by his questions not his answers." --Voltaire |
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