local dict = { ["desc"] = "Dictionnary" }

function dict.cmd (args)

    if not args then return nil, "Give me a word, please" end

    -- Be careful as we pass it as an argument to a shell command

    local word = string.match(args, "^(%w+)[%s%?%.%!]*$")

    if not word then return nil, "Can you repeat please?" end

    local cmd = "/usr/bin/dict "..word.." 2> /dev/null"

    local fh = io.popen(cmd)

    result = fh:read("*a")  -- read dict output

    fh:close()

    if not result or result:match("^$") then return nil, "dict: No output" end

    -- Sometimes dict outpur is ugly... Let's filter out whitespace.

    result = result:gsub("[ \t]+\n", "\n"):gsub("\n\n\n+", "\n\n")

    -- Trim trailing newlines

    result = result:gsub("\n+$", "")

    return result

end

mcbot_register_command("dict", dict)