Sell All command

[robot1007]

Ok I've made all of the currency related commands, bal, baltop, pay etc, but I still need a way for players to sell items they get.
ITEMS VALUES:
Coal - 1 coin
Iron Ingot 3 coins
Lapis lazuli - 6 coins
Redstone - 10 coins

Variables:
{coins::%player's uuid%}

I've tried a few setups but they all dont work...
Anyone have any suggestions on how to set up a command that sees if you have any of these items and then turns them into coins?

 

[ChisleLP]

This is my very old "Prison skript", may this help you contiue.

set {_cobblestone} to number of cobblestone in player's inventory
set {_ironore} to number of iron ore in player's inventory
set {_stone} to number of stone in player's inventory
set {_glowpuder} to number of glowstone dust in player's inventory
set {_glowstone} to number of glowstone in player's inventory
set {_value1} to {@Cobblestone} * {_cobblestone}#!<---
set {_value2} to {@Stone} * {_stone}#!<---
set {_value3} to {@Ironore} * {_ironore}#!<---
set {_value4} to {@GlowstoneDust} * {_glowpuder}#!<---
set {_value5} to {@Glowstone} * {_glowpuder}#!<---
set {_value10} to {_value1} + {_value2} + {_value3} + {_value4}#!<---
remove all glowstone dust, stone, iron ore, glowstone and cobblestone from player's inventory
add {_value10} to {Money::%player%}