[Haskell-beginners] doesFileExist cannot get ~/blah_blah right

[Hong Yang]

Hi,

I got "not exists ..." from

    fileExists <- doesFileExist "~/blah_blah"
    if fileExists then print "exists ..."
                     else print "not exists ..."

using the directory-1.1.0.2 package, when ~/blah_blah does exist.

I do not want to change "~" to a specific home directory such as
"/home/a_userid" for the sake of portability. What else can I do before the
bug (suppose this is a bug) is fixed?

Thanks,

Hong
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