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module Main where
main = do
s <- readFile "HelpFile"
let s' = mkHsFile (lines s)
writeFile "HelpFile.hs" s'
mkHsFile ss =
"module HelpFile where\n\n" ++
"import Operations\n\n" ++
"txtHelpFileSummary =\n" ++
" unlines $ map (concat . take 1 . lines) $ paragraphs txtHelpFile\n\n" ++
"txtHelpCommand c =\n" ++
" case lookup c [(takeWhile (/=',') p,p) | p <- paragraphs txtHelpFile] of\n" ++
" Just s -> s\n" ++
" _ -> \"Command not found.\"\n\n" ++
"txtHelpFile =\n" ++
unlines (map mkOne ss) ++
" []"
mkOne s = " \"" ++ pref s ++ (escs s) ++ "\" ++"
where
pref (' ':_) = "\\n"
pref _ = "\\n" ---
escs [] = []
escs (c:cs) | elem c "\"\\" = '\\':c:escs cs
escs (c:cs) = c:escs cs
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