Using body modifiers

bla.lua

local race=465
local modifiers={}
local modifiers_idx={}
local caste=df.creature_raw.find(race).caste[1]
local bp=caste.bp_appearance
local unit=dfhack.gui.getSelectedUnit()
for k,v in pairs(bp.modifiers) do
    if v.noun=='hair' then
        print(k,df.appearance_modifier_type[v.type]) 
        modifiers_idx[k]=true
        table.insert(modifiers,v)
    end   
end
for k,v in pairs(bp.modifier_idx) do
    if modifiers_idx[v] then
        print(k,v)
    end
end