i mean, i guess it's technically correct

Using the path package tonight.

ghci> parseRelFile "data/foobar.png"
"data/foobar.png"
ghci> parseRelFile "data/foobar.png/"
*** Exception: InvalidRelFile "data/foobar.png/"

cool

ghci> parseRelDir "data/foobar.png"
"data/foobar.png/"
ghci> parseRelDir "data/foobar.png/"
"data/foobar.png/"

oh no

content