I have a points system that i got from here and i want to know how to add so every 30 minuets people will gain 5 points

Here is the code:
on *:TEXT:!pointexplain:#: { msg $chan You gain 5 points every 30 minuets, Do !pointrewards to see what points can do!
}
on *:TEXT:!pointrewards:#: { msg $chan For people that hit 2.5k points i will be sending them either Steam, Amazon or ITunes giftcards!
}

alias -l addPoints {
if ($1 !isnum) { echo 2 -st $1 is not a number. It needs to be a number. | halt }
var %topic $+($chan,.,$nick)
var %points $calc($readini(Points.ini,%topic,Points) + $1)
writeini -n Points.ini %topic Points %points
return %points
}
alias -l lookUpPoints {
var %topic $+($chan,.,$nick)
var %points $readini(Points.ini,%topic,Points)
return %points
}
alias doaddpoints {
if ($3 !isnum) { echo 2 -st $3 is not a number. It needs to be a number. | halt }
var %topic $+($1,.,$2)
var %points $calc($readini(Points.ini,%topic,Points) + $3)
writeini -n Points.ini %topic Points %points
echo -a Added points for %topic
}
alias dorempoints {
var %topic $+($1,.,$2)
remini -n Points.ini %topic Points
echo -a Removed points for %topic
}
on *:text:!points:#:{
if ((%floodpoints) || ($($+(%,floodpoints.,$nick),2))) { return }
set -u10 %floodpoints On
set -u30 %floodpoints. $+ $nick On
msg # $nick has $iif($readini(Points.ini,$+(#,.,$nick),Points),$v1,0) points.
}
on $*:text:/!points (add|remove|del)/Si:#:{
if ($nick isop #) {
if ($0 < 3) { msg # Insufficient parameters: Use !points <add|remove|del> <user> [number] | return }
writeini -n Points.ini $+(#,.,$3) Points $calc($readini(Points.ini,$+(#,.,$3),Points) $iif($2 == add,+,-) $iif($4 isnum,$4,1))
msg $chan $3 now has $readini(Points.ini,$+(#,.,$3),Points) total points.
}
else { msg $chan This command is only available to moderators. }
}

alias add.pts { if ($1) { writeini -n Points.ini $1 Points $calc($readini(Points.ini,$2,Points) + 2) } }

this is the automation part of your script change the 2 to 5 for 5 points instead of 2 points

I started looking into the code and it looks like you did not include your join and part scripts. Assuming this is it... change the 300 here to hoe many seconds is 30 minutes (1800)

I wonder if he really intends to be offering a cash incentive for exiting and entering his channel 2500 times.