How would I test to see if the $1 variable exists?
I don't check for existence, I only check whether it's empty.
--
Jacqueline Landman Gay | jac...@hyperactivesw.com
HyperActive Software | http://www.hyperactivesw.com
On November 24, 2018 8:04:50 AM bob--- via use-livecode
<use-livecode@lists.runrev.com> wrote:
$# tells you how many parameters there are for a script. Perhaps if $# > 0
then... instead might work (I’ve not tried that). You might find using
environment() potentially helps as well. The Dictionary has the details. If
neither of those options work let me know. I have another way you could
tackle the issue.
- Bob Hall
On Nov 23, 2018, at 5:27 PM, Stephen MacLean via use-livecode
<use-livecode@lists.runrev.com> wrote:
However, the exists($1) never returns true, even when it should. Which
leads to to believe that’s not what I want to use.
How would I test to see if the $1 variable exists?
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