35 lines
787 B
Lua
35 lines
787 B
Lua
-- Function reference: http://mathjs.org/docs/reference/functions/categorical.html
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local function mathjs(exp)
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local exp = string.gsub(exp, "%,", "%.")
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local url = 'http://api.mathjs.org/v1/'
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url = url..'?expr='..URL.escape(exp)
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local b,c = http.request(url)
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local text = nil
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if c == 200 then
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text = 'Ergebnis: '..string.gsub(b, "%.", "%,")
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elseif c == 400 then
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text = b
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else
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text = 'Unerwarteter Fehler\n'
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..'Ist api.mathjs.org erreichbar?'
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end
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return text
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end
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local function run(msg, matches)
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return mathjs(matches[1])
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end
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return {
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description = "Rechnen mit der mathjs-API",
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usage = {
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"/calc [Ausdruck]: Rechnet",
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"Weitere Hilfe: + = Plus, - = Minus, * = Mal, / = geteilt"
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},
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patterns = {
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"^/calc (.*)$"
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},
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run = run
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} |