$null variable option

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$null variable option #272082 27/09/23 05:49 AM
Joined: Dec 2021 Posts: 35 Vancouver, British Columbia, C... T TrioAshburry OP Ameglian cow
OP TrioAshburry Ameglian cow T Joined: Dec 2021 Posts: 35 Vancouver, British Columbia, C...	I would like an option in the vairables menu and and an alias command to make variables which == $null unset to save room. The inverse of the switch is to keep the variable in the list how it is when set to $null . : Machine-Gun script named Bauderr with Trio-ircproxy.py : .

Re: $null variable option

TrioAshburry #272086 01/10/23 09:03 AM

Joined: Dec 2002

Posts: 252

Ohio, USA

Talon

Fjord artisan

Talon

Fjord artisan

Joined: Dec 2002

Posts: 252

Ohio, USA

As a temporary solution, you could use a script to test variables and clear them if they are null. Here's an example commented to explain what it's doing, and also echoing output:

Code

alias freenullvars {
  ;== Find how many vars exist and set a count variable.
  var %x = $var(*,0) + 1 
  ;== We increase x by 1 because at the time of calling $var, x is not set yet....

  echo -a *** Testing %x variables...

  ;== Loop thru all variables backwards so freeing a null variable doesn't affect the rests $var() index
  while (%x && $var(*,%x)) {

    ;== Determine if it's not local, isn't on a decay timer, and is null, if so erase.
    if (!$var(*,%x).local && !$var(*,%x).secs && !$var(*,%x).value) {
      echo -a *** Removing null variable: $var(*,%x)
      unset [ $var(*,%x) ] 
    }
    else { echo -a *** Keeping $var(*,%x) . Local? $var(*,%x).local Decay? $var(*,%x).secs Null? $iif(!$var(*,%x).value,$true,$false) }

    ;== Decrease count variable
    dec %x
  }
}

Example:
/set %abc def
//set %xyz $Null
/freenullvars

result:

Code

*** Testing 3 variables...
*** Removing null variable: %xyz
*** Keeping %abc . Local? $false Decay? 0 Null? $false
*** Keeping %x . Local? $true Decay? 0 Null? $false

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