29 lines
628 B
Lua
29 lines
628 B
Lua
-- Function reference: http://mathjs.org/docs/reference/functions/categorical.html
|
|
|
|
local function mathjs(exp)
|
|
local url = 'http://api.mathjs.org/v1/'
|
|
url = url..'?expr='..URL.escape(exp)
|
|
local b,c = http.request(url)
|
|
local text = nil
|
|
if c == 200 then
|
|
text = 'Das Ergebnis ist '..b
|
|
|
|
elseif c == 400 then
|
|
text = b
|
|
else
|
|
text = 'Unexpected error\n'
|
|
..'Is api.mathjs.org up?'
|
|
end
|
|
return text
|
|
end
|
|
|
|
local function run(msg, matches)
|
|
return mathjs(matches[1])
|
|
end
|
|
|
|
return {
|
|
description = "Ein simpler Taschenrechner",
|
|
usage = {"/calc [Rechnung]"},
|
|
patterns = {"^/calc (.*)$"},
|
|
run = run
|
|
} |