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module (..., package.seeall)
function getoptsfromfile (file, search, filter)
local opts = nil
local conf_file = fs.read_file_as_array ( file )
for i=1,table.maxn(conf_file) do
local l = conf_file[i]
if not string.find ( l, "^[;#].*" ) then
local a = string.match ( l, "^%s*(%S*)=" )
if (a) then
if not (search) or (search == a) then
local b = string.match ( l, '^%s*%S*%=%"?(.-)%s*%"?%s*$' )
local optstable = getopts.opts_to_table(b,filter)
if (optstable) or not (filter) then
if not (opts) then
opts = {}
end
if (optstable) then
opts[a] = optstable
else
opts[a] = b
end
end
end
end
end
end
return opts
end
function opts_to_table ( optstring, filter )
local optsparams = nil
local optstr = string.match(optstring, "^\"?(.*)%\"?") -- Filter away leading/trailing "
if optstr then
local option = ""
local optvalue = ""
for j = 1, string.len(optstr) do
if (string.sub(optstr, j, j) == "-") then
option=string.sub(optstr, j, j+1)
if not (filter) or (filter == option) then
for k = j+1, string.len(optstr) do
if not (optsparams) then
optsparams = {}
end
if (string.sub(optstr, k, k) == "-") then
optsparams[option] = string.match(string.sub(optstr, j+2, k-1),"^%s*(.*)%s?")
break
end
if (k == string.len(optstr)) then
optsparams[option] = string.match(string.sub(optstr, j+2, k),"^%s*(.*)%s?")
break
end
end
end
end
end
end
return optsparams
end
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