Zugg Software :: View topic - Upgrade 6.12 to 6.62 and aliases stop working

Posted: Fri Oct 10, 2003 11:53 pm

I've just upgraded my zmud from 6.12, which I've been using quite happily for ages now.

Here's a fairly simple alias I've had set up for even longer than I've used 6.12. It's always worked fine until now. Alias is called 'arkasu'.

#IF (%1="fill") { outp arkasu; fill @pipeArkasu with arkasu; inp arkasu }
light @pipeArkasu
#IF (%null( %1)) {smoke @pipeArkasu}

Intended results:

I type arkasu fill, it does:
outp arkasu;fill pipe10000 with arkasu;inp arkasu;light pipe10000

I type arkasu, it does:
light pipe10000;smoke pipe10000

Current results:

I type arkasu fill, it does (correct):
outp arkasu;fill pipe10000 with arkasu;inp arkasu;light pipe10000

I type arkasu, it does (bad):
outp arkasu;fill pipe10000 with arkasu;inp arkasu;light pipe10000;smoke pipe10000

Has the way %1 is interpretted been changed since 6.12? Or the way %null works?
I've seen another post saying for this purpose %numparams()=0 should be used instead of %null, but I'm wondering if someone can emplain what has actually changed here since this will probably affect alot of aliases, many far more complicated.

Thanks in advance,

Del

GURU Joined: 15 Jun 2001 Posts: 654 Location: USA

%1 is substituted quite early on in the parsing phase of a script. When you use your alias without arguments, %1 is replaced with nothing; that is, it is excised completely. This makes your statement:

#IF (="fill") {etc.}

Clearly, that's not what you want... put the %1 in quotes. For example,

#IF ("%1"="fill") {etc.}

That should work for you.

Adept Joined: 30 Jan 2003 Posts: 228 Location: USA

Or you could simply just do
#IF (%1="fill") { outp arkasu; fill @pipeArkasu with arkasu; inp arkasu;light @pipearkasu} {light @pipeArkasu;smoke @pipeArkasu}

That would simplify your issues much