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util.lua

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local util = {}

function util.test(arg)

end

-- Decodes URL Query String Entities, e.g. '%20' becomes ' ' (space)

function util.decode(s)

s = s:gsub('+', ' ')

s = s:gsub('\n', '')

s = s:gsub('%%(%x%x)', function(h) return string.char(tonumber(h, 16)) end)

return s

end

-- Transforms query string, e.g. 'cmd=get&par=whatever' into a map '{cmd = "get", par = "whatever"}'

function util.parseurl(qs)

local map = {}

qs:gsub('([^&=]+)=([^&=]*)&?',

function(key, val) map[decode(key)] = decode(val) end)

return map

end

function printf(...)

io.write(string.format(...))

end

return util