Common herb Milling macro

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/run for b=0,4 do for s=1,36 do i={GetContainerItemInfo(b,s)}c={GetItemInfo(i[7]or 1)}if c[7]=="Herb"and c[3]==1 and i[2]>4 then n="AutoMill"i=GetMacroIndexByName(n)EditMacro(i,n,"","/cast Milling\n/use "..b.." "..s)end;end;end
/click ActionButton1

You need 2 macros.
First, just make another macro which is named unique as 'AutoMill' at Main action bar #1. And execute this macro.
You can do milling common herbs 1 time per macro executing.
It is an old macro, but I think it would work.