Hash :
eec6d95c
Author :
Thomas de Grivel
Date :
2023-06-13T13:48:47
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## update_header
## Copyright 2022, 2023 kmx.io <contact@kmx.io>
defmodule Header.C do
def split(src) do
split(src, "")
end
def split("/*" <> rest, "") do
split(rest, "/*")
end
def split("/*" <> rest, acc) do
{"", acc <> "/*" <> rest}
end
def split("*/\n\n" <> rest, acc) do
split("*/\n" <> rest, acc)
end
def split("*/\n" <> rest, acc) do
header = acc <> "*/"
{header, rest}
end
def split(<<c, rest::binary>>, acc) when is_binary(acc) do
split(rest, acc <> <<c>>)
end
def split("", acc) do
{"", acc}
end
def main([src_path | dest_paths]) do
case File.read(src_path) do
{:ok, src} ->
{header, _} = split(src)
Enum.each dest_paths, fn dest_path ->
case File.read(dest_path) do
{:ok, dest} ->
{_, rest} = split(dest)
result = header <> "\n" <> rest
File.write(dest_path, result)
{:error, e} ->
IO.inspect("Error: #{dest_path}: #{e}")
end
end
{:error, e} ->
IO.inspect "Error: #{src_path}: #{e}"
end
end
end