On the whole, the filepath package does an excellent job of providing
basic path manipulation tools, one weakness is the inability to resolve
"~/..." style POSIX paths. Python implements this with
os.path.expanduser. Perhaps a similar function might be helpful in
filepath?
Cheers,
- Ben
Possible (but untested) implementation
expandUser :: FilePath -> IO FilePath
expandUser p = if "~/" `isPrefixOf` p
then do u <- getLoginName
return $ u ++ drop 2 p
else return p
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