On 3/8/21 9:16 PM, Phil Davis via use-livecode wrote:
When I want to determine whether or not an array element contains
non-whitespace, I usually say:
if word 1 of tDataA["item"] is empty then ... (or is NOT empty)
The problem with that is that it doesn't differentiate between an empty
array element and a nonexisting one:
local tArray
put empty into tArray["foo"]
put word 1 of tArray["foo"] is empty # true
put word 1 of tArray["bar"] is empty # true
breakpoint # will show that only tArray["foo"] exists
--
Mark Wieder
[email protected]
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