alias highestnum {
window -h @@
filter -fwcute 2 46 [color:blue]yourfile.txt[/color] @@
var %a = $gettok($line(@@,1),2,46)
close -@ @@
return %a
}
Example usage: //echo -a $highestnum
Unfortunately I don't have the time to explain how/why this works right now, so try to read the help file on /filter. If you still have questions, post back and someone (or me, tomorrow) will help.