/usr/lib/hugs/packages/HaXml/programs/Canonicalise/Main.hs is in libhugs-haxml-bundled 98.200609.21-5.3ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 | module Main where
import System (getArgs)
import IO
import List (isSuffixOf)
import Text.XML.HaXml.Parse (xmlParse)
import Text.XML.HaXml.Html.Parse (htmlParse)
import Text.XML.HaXml.Pretty (document)
import Text.XML.HaXml.Wrappers (fix2Args)
import Text.PrettyPrint.HughesPJ (render)
-- This is just a trivial application that reads an XML or HTML document
-- from a file (or stdin) and writes it back to another file (or stdout).
-- It demonstrates the behaviour of the parser and pretty-printer,
-- including any shortcomings they may have.
main =
fix2Args >>= \(inf,outf)->
( if inf=="-" then getContents
else readFile inf ) >>= \content->
( if outf=="-" then return stdout
else openFile outf WriteMode ) >>= \o->
let parse = if ".html" `isSuffixOf` inf || ".htm" `isSuffixOf` inf
then htmlParse inf else xmlParse inf
in
do ( hPutStrLn o . render . document . parse) content
hFlush o
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