| definition: |
saveOldFile :: String -> IO ()
saveOldFile fname = do
exfname <- doesFileExist fname
when exfname $ do
mdate <- getModificationTime fname
ctime <- toCalendarTime mdate
let savename = fname ++ "." ++
intercalate "_"
(map (\f -> show (f ctime))
[ctYear,ctMonth,ctDay,ctHour,ctMin,ctSec])
renameFile fname savename
|
| demand: |
no demanded arguments |
| deterministic: |
deterministic operation |
| documentation: |
--- If a file with the given name `fname` exists, it is moved --- to the file `fname.date`, where `date` is the modification date --- of this file. |
| failfree: |
_ |
| indeterministic: |
referentially transparent operation |
| infix: |
no fixity defined |
| iotype: |
{(_) |-> _}
|
| name: |
saveOldFile |
| precedence: |
no precedence defined |
| result-values: |
_ |
| signature: |
String -> Prelude.IO () |
| solution-complete: |
operation might suspend on free variables |
| terminating: |
possibly non-terminating |
| totally-defined: |
possibly non-reducible on same data term |