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module (..., package.seeall)
require("fs")
function setoptsinfile (file, search, option, value)
local opts = {}
local newfilecontent = nil
local filecontent = nil
opts = getoptsfromfile(file) or {}
filecontent = fs.read_file(file) or ""
if (filecontent == "") or (opts[search] == "") or (opts[search] == nil) then
opts[search] = {}
end
if not (search) or not (option) then
return fales, nil, "Systeminformation - Invalid usage of function getopts.setoptsinfile()"
end
--Change to new value
opts[search][option] = value
local optstr = ""
for k,v in pairs(opts) do
if (k == search) then
optstr = optstr.. k .. "=\""
for kk,vv in pairs(v) do
optstr = optstr .. kk .. " " .. vv .. " "
end
optstr = string.match(optstr, "(.-)%s*$") .. "\""
end
end
newfilecontent = string.gsub(filecontent, "%s*[;#]?" .. search .. "%s*=.-\n?$", "\n" .. optstr .. "\n") or ""
if (string.find(newfilecontent, search .. "%s*=" ) == nil) or (newfilecontent == "") then
fs.write_file(file,string.match(filecontent, "(.-)\n*$") .. "\n" .. optstr .. "\n")
else
fs.write_file(file,string.match(newfilecontent, "(.-)\n*$"))
end
return true, "File '" .. file .. "' has been modifyed!", nil
end
function getoptsfromfile (file, search, filter)
local opts = nil
if not (fs.is_file(file)) then return nil end
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*%"?(.-)%s*%"?%s*$' )
local optstable = getopts.opts_to_table(b,filter)
if (optstable) or not (filter) then
if not (opts) then
opts = {}
end
if (optstable) then
opts[a] = optstable
---[[ Next line is DEBUG info. Should be commented out!
--opts[a]["debug"] = b
-- End debug info. --]]
else
opts[a] = b
end
end
end
end
end
end
return opts
end
function opts_to_table ( optstring, filter )
local optsparams = nil
local optstr = optstring
if optstr then
local option = ""
for j = 1, string.len(optstr) do
if (string.find(string.sub(optstr, j, string.len(optstr)), "^-%a%s*")) then
option=string.sub(optstr, j, j+1)
if not (filter) or (filter == option) then
for k = j+1, string.len(optstr) do
if not (optsparams) then
optsparams = {}
end
if (string.sub(optstr, k, k) == "-") then
optsparams[option] = string.match(string.sub(optstr, j+2, k-1),"^%s*(.-)%s*$")
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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