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-- Example 11. Handle string encoding errors

--8<----------------------------------------------------------------------------

filename = '/home/mitchell/code/textadept/init.lua'

toutf8 = function() error('conversion failed') end

--toutf8 = function() return 'utf-8' end

--8<----------------------------------------------------------------------------

local encodings = {

"UTF-8", "UTF-16", "UTF-32", "ASCII", "ISO-8859-1"

}

local f = io.open(filename, "r")

local text = f:read("a")

f:close()

for i = 1, #encodings do

-- Attempt to convert file contents to UTF-8.

local ok, conv = pcall(toutf8, text, encodings[i])

if ok then

text = conv

goto encoding_detected

end

end

error("Could not detect file encoding.")

::encoding_detected::

--[[ process UTF-8-encoded text ]]