System.Directory function provides
getDirectoryContents function which return a list that contains all the entries
in the directory (including ., ..). Following is the signature of getDirectoryContents
function.
Prelude System.Directory> :t getDirectoryContents
getDirectoryContents :: FilePath ->
IO [FilePath]
As per the documentation, you may get
following error while working with getDirectoryContents function.
Error
|
Description
|
HardwareFault
|
A physical I/O error has occurred.
|
InvalidArgument
|
The operand is not a valid directory
name.
|
isDoesNotExistError / NoSuchThing
|
The directory does not exist.
|
isPermissionError / PermissionDenied
|
The process has insufficient
privileges to perform the operation.
|
ResourceExhausted
|
Insufficient resources are available
to perform the operation.
|
InappropriateType
|
The path refers to an existing
non-directory object.
|
DirectoryUtil.hs
import System.IO import System.Directory main = do putStrLn "Enter directory name" dir <- getLine fileNames <- getDirectoryContents dir print fileNames
$ runghc DirectoryUtil.hs Enter directory name /Users [".","..",".localized","harikrishna_gurram","Shared"]
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