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xxd.lua
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xxd.lua
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--[[
This file is part of lapp.
lapp is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
lapp is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with lapp. If not, see <https://www.gnu.org/licenses/>.
For further information about lapp you can visit
http://cdelord.fr/lapp
--]]
local name = arg[1]
local input = arg[2]
local output = arg[3]
local blob = {}
local function emit(...)
for i = 1, select("#", ...) do
table.insert(blob, (select(i, ...)))
end
end
emit("const unsigned char ", name, "[] = {")
local n = 0
local _ = io.open(input, "rb"):read("a"):gsub(".", function(c)
if n % 16 == 0 then emit("\n") end
n = n + 1
emit((" 0x%02X,"):format(c:byte()))
end)
emit(" };\n")
emit("const unsigned int ", name.."_size", " = sizeof(", name, ");\n")
io.open(output, "wb"):write(table.concat(blob))