First Stab at a generic L4D2 Script. Auto fire, Crosshair mod, Auto reload, Close Captions.

// Automatic Fire
alias +afire "alias repeat_function +repeat; +repeat"
alias -afire "alias repeat_function stoprepeating"
alias repeat_function "+repeat"
alias +repeat "+attack; wait 3; -repeat"
alias -repeat "-attack; wait 3; repeat_function"
alias stoprepeating ""

bind g "afireon""
alias afireon "bind mouse1 +afire;-afire;+reload; bind g afireoff"
alias afireoff "bind mouse1 +attack;-afire;-reload; bind g afireon"

// Crosshair Settings:
// dyanmic/size (0-1), thickness(1-5), and opacity (0 is invisible, 255 solid)
cl_crosshair_dynamic 0
cl_crosshair_thickness 0
cl_crosshair_alpha 255

//fast grenade
alias "quickgrenade" "use weapon_pipe_bomb;use weapon_molotov;wait 20;+attack; wait 40;-attack"

//fast take pill
alias "quickpill" "use weapon_pain_pills;wait 30;+attack;wait 40;-attack"

bind q "quickgrenade"
bind x "quickpill"