Haskell: copyFile: Copy file

System.Directory module provides copyFile function, used to copy file from old location to new location. If the new file exists, the old file replaces it. Following is the signature of copyFile function.

Prelude System.Directory> :t copyFile

copyFile :: FilePath -> FilePath -> IO ()

DirectoryUtil.hs

import System.IO
import System.Directory

main = do
    putStrLn "Enter file path to copy"
    oldFile <- getLine

    putStrLn "Enter new name"
    newFile <- getLine

    copyFile oldFile newFile
    putStrLn "File copied"

$ ls -l /Users/harikrishna_gurram/aca*log
-rw-r--r--  1 harikrishna_gurram  SYMC\Domain Users  1911 Apr  2 13:37 /Users/harikrishna_gurram/academyLogin.log
$
$ runghc DirectoryUtil.hs 
Enter file path to copy
/Users/harikrishna_gurram/academyLogin.log
Enter new name
/Users/harikrishna_gurram/academyLogin_backup.log 
File copied
$ 
$ ls -l /Users/harikrishna_gurram/aca*log
-rw-r--r--  1 harikrishna_gurram  SYMC\Domain Users  1911 Apr  2 13:37 /Users/harikrishna_gurram/academyLogin.log
-rw-r--r--  1 harikrishna_gurram  SYMC\Domain Users  1911 Apr  6 14:58 /Users/harikrishna_gurram/academyLogin_backup.log

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