From: | Rolf Max Rotvel |
Date: | 1 Feb 2000 at 01:17:14 |
Subject: | Re: Addrexx... |
From: "Rolf Max Rotvel" <rolfr@worldonline.dk>
Hi Lorens Johansson. On Mon, 31 Jan 2000 21:24:24 +0100 you wrote:
> I was going through the script briefly and saw this line:
> if env? then do
> what does that do?
It's short for "if env? = 1 then do".
env? is a boolean variable (It's either 1 or 0). You can do the same trick
with Arexx functions that return a boolean. Eg:
If ~open('tmp', file, 'r') then do
say 'Error opening 'file
exit
end
Rolf
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