wool_alias.lua

local color = {
    "_white_",
    "_grey_",
    "_black_",
    "_red_",
    "_yellow_",
    "_green_",
    "_cyan_",
    "_blue_",
    "_magenta_",
    "_orange_",
    "_violet_",
    "_brown_",
    "_pink_",
    "_dark_grey_",
    "_dark_green_",
}

local saw = {
    {"micro_1"},
    {"panel_1"},
    {"micro_2"},
    {"panel_2"},
    {"micro_4"},
    {"panel_4"},
    {"micro"},
    {"panel"},
    {"micro_12"},
    {"panel_12"},
    {"micro_14"},
    {"panel_14"},
    {"micro_15"},
    {"panel_15"},
    {"stair_outer"},
    {"stair"},
    {"stair_inner"},
    {"slab_1"},
    {"slab_2"},
    {"slab_quarter"},
    {"slab"},
    {"slab_three_quarter"},
    {"slab_14"},
    {"slab_15"},
    {"stair_half"},
    {"stair_alt_1"},
    {"stair_alt_2"},
    {"stair_alt_4"},
    {"stair_alt"},
    {"slope"},
    {"slope_half"},
    {"slope_half_raised"},
    {"slope_inner"},
    {"slope_inner_half"},
    {"slope_inner_half_raised"},
    {"slope_inner_cut"},
    {"slope_inner_cut_half"},
    {"slope_inner_cut_half_raised"},
    {"slope_outer"},
    {"slope_outer_half"},
    {"slope_outer_half_raised"},
    {"slope_outer_cut"},
    {"slope_outer_cut_half"},
    {"slope_outer_cut_half_raised"},
    {"slope_cut"},
}

local colorpos = #color
local sawpos = #saw

for c = 1, #color do
    for s = 1, #saw do
        minetest.register_alias("moreblocks:slab_wool" .. color[colorpos] .. saw[sawpos], "wool:slab" .. color[colorpos] .. saw[sawpos])
        sawpos = sawpos + 1
    end
    colorpos = colorpos + 1
end