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Forums Scripts & Popups [Solved] Detecting a null variable

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[Solved] Detecting a null variable #252513 22/04/15 01:08 AM
Joined: Apr 2015 Posts: 4 Scotland K Konomira OP Self-satisified door
OP Konomira Self-satisified door K Joined: Apr 2015 Posts: 4 Scotland	Hey everyone, sorry to bother you with a post this simple but I'm just starting out with mIRC scripts and I can't for the life of me figure out what is wrong here... Code: on :text:!mcuser:#:{ var %user = $readini(whitelist.ini, n, users, $nick) if (%user!=$null){ msg $chan MC username for $nick is currently set as %user $+ . else msg $chan $nick has no MC username set. } } When the script is triggered via "!mcuser" an error appears, saying Quote: /if: insufficient parameters (line 3, mcUser) with mcUser being the name of the script. As far as I'm aware, the syntax is correct. Can anyone see what's wrong? EDIT: I'm still unsure as to what is wrong with the above text, but amending the text to this: Code: on :text:!mcuser:#:{ var %user = $readini(whitelist.ini, n, users, $nick) $iif(%user=!$null, msg $chan MC username for $nick is currently set as %user $+ ., msg $chan $nick has no MC username set.) } solved it. Last edited by Konomira; 22/04/15 01:28 AM.

Re: [Solved] Detecting a null variable Konomira #252514 22/04/15 01:35 AM
Joined: Jan 2004 Posts: 1,358 L Loki12583 Hoopy frood
Loki12583 Hoopy frood L Joined: Jan 2004 Posts: 1,358	mIRC requires spacing and braces: Code: if (%user != $null) { msg $chan MC username for $nick is currently set as %user $+ . } else { msg $chan $nick has no MC username set. }

Re: [Solved] Detecting a null variable Loki12583 #252515 22/04/15 01:38 AM
Joined: Apr 2015 Posts: 4 Scotland K Konomira OP Self-satisified door
OP Konomira Self-satisified door K Joined: Apr 2015 Posts: 4 Scotland	Just ran the script with the code you gave and it works like a charm. I was running on the false thought that I had seen a script without braces. Thanks!

Re: [Solved] Detecting a null variable Konomira #252516 22/04/15 09:34 AM
Joined: Feb 2003 Posts: 2,812 Raccoon Hoopy frood
Raccoon Hoopy frood Joined: Feb 2003 Posts: 2,812	A shorter form, if you know the user will never be the number zero '0', you could just use this. if (!%user) { } or $iif(!%user,t,f) Well. At least I won lunch. Good philosophy, see good in bad, I like!

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