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#!/usr/bin/env lua
--[[
This utility can be used to generate an extensions.conf file to match an
existing extensions.lua file. As an argument it takes the patch of the
extensions.lua file to read from, otherwise it uses
/etc/asterisk/extensions.lua.
This script can also be used to automatically include extensions.lua in
extensions.conf via a #exec as well.
#exec /usr/bin/build-extensions-conf.lua -c
--]]
usage = [[
Usage:
]] .. arg[0] .. [[ [options] [extensions.lua path]
This utility can generate an extensions.conf file with all of the contexts in
your extensions.lua file defined as including the Lua switch. This is useful
if you want to use your extensions.lua file exclusively. By using this utility
you dont't have to create each extension in extensions.conf manually.
The resulting extensions.conf file is printed to standard output.
--contexts-only, -c Don't print the [global] or [general] sections. This
is useful for including the generated file into an
existing extensions.conf via #include or #exec.
--help, -h Print this message.
]]
extensions_file = "/etc/asterisk/extensions.lua"
options = {}
for k, v in ipairs(arg) do
if v:sub(1, 1) == "-" then
if v == "-h" or v == "--help" then
print("match")
options["help"] = true
elseif v == "-c" or v == "--contexts-only" then
options["contexts-only"] = true
end
else
options["extensions-file"] = v
end
end
if options["help"] then
io.stderr:write(usage)
os.exit(0)
end
if options["extensions-file"] then
extensions_file = options["extensions-file"]
end
result, error_message = pcall(dofile, extensions_file)
if not result then
io.stderr:write(error_message .. "\n")
os.exit(1)
end
if not extensions then
io.stderr:write("Error: extensions table not found in '" .. extensions_file .. "'\n")
os.exit(1)
end
if not options["contexts-only"] then
io.stdout:write("[general]\n\n[globals]\n\n")
end
for context, extens in pairs(extensions) do
io.stdout:write("[" .. tostring(context) .. "]\nswitch => Lua\n\n")
end
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