Folder / Date Management question

jprater · September 13, 2004

I've written a Au3 script to archive logs generated by various devices around my network. The current script is able to rename each file acording to that files' creation date and time, then moves that file into a folder named after the creation date. What I would like to do is have a script that is able to delete folders dated more than 3 months old. I've built a UDF to convert the dates into international format, and I can undo this change to get the date back into a numeric form.

Example of current Directory names:

09Sep2004

10Sep2004

11Sep2004

12Sep2004

13Sep2004

I havn't started on the code for this ability yet, and I'm able to come up with an idea that should allow me to delete a folder that is exactly 90 days older. My hang up is that the script may not be run on a daily basis. If I write it so that it deletes the folder exactly 3 months old, it will leave folders that are 91 days or older, and some of the 29-31 day's there. I'm used to the date caclulations inside VB/ASP but can't find anything that refers to this sort of calculation in the help files.

If I've been unclear in any way, let me know and I'll clarify my goal.

Thanks in advance.

ezzetabi · September 13, 2004

The easiest way that comes in my mind is convert the filename date in the current day of the year, if the year is not the current one you have to substract 365 (or 366).

If that number is lower than @yday - 90 then you can delete it.

Jos · September 13, 2004

I havn't started on the code for this ability yet, and I'm able to come up with an idea that should allow me to delete a folder that is exactly 90 days older. My hang up is that the script may not be run on a daily basis. If I write it so that it deletes the folder exactly 3 months old, it will leave folders that are 91 days or older, and some of the 29-31 day's there. I'm used to the date caclulations inside VB/ASP but can't find anything that refers to this sort of calculation in the help files.

If I've been unclear in any way, let me know and I'll clarify my goal.

Thanks in advance.

<{POST_SNAPBACK}>

Have a script here i use to delete all files older than 14 days..

Optional also all subdirectories and will delete empty directories.

It requiers the datenew.au3 include library which you can find on my Autoit stuf web page ..Just hack it for your use:

;
; AutoIt Version: 3.0
; Language:       English
; Platform:       Win9x/NT
; Author:         Jos van der Zande
;
; Script Function:
; Remove file older than 14 days 
#include <date.au3>
AutoItSetOption ( "RunErrorsFatal", 0) 
;AutoItSetOption ( "TrayIconHide", 1) 
Break(0)
$Hotkey = "{Pause}"
HotKeySet ($Hotkey ,"StopExec") 
$L_Msg = ""
; init variables
$Version = "0.2"
$dir="C:\data\user"
$Dircount = 0
$n_FileCount = 0
$n_FileSize = 0
$begin = TimerStart()
; _Remove_Files(root dir, inclu subdirs,remove files older than)
$rc = _Remove_Files($Dir, 1,14)
Exit

;===============================================================================
;
;===============================================================================

Func _Remove_Files($T_Dir,$T_Incl_SubDir,$T_Days)
   Dim $n_Dirnames[200000][2]; max number of directories that can be counted
   Local $n_DirCount = 0
   Local $n_File
   Local $n_Search
   Local $n_tFile
   Local $n_Fdate
   Writelog("### Start run ###")
   $T_DirCount = 1
   $T_FileCount = 0
   $T_FileSize = 0
  ; remove the end \ 
   If StringRight($T_Dir,1) = "\" then $T_Dir = StringTrimRight($T_Dir,1)
   $n_Dirnames[$T_DirCount][0] = $T_Dir
   $n_Dirnames[$T_DirCount][1] = 0
   $T_Incl_SubDir = Int($T_Incl_SubDir) 
  ; Exit if base dir doesn't exists
   If Not FileExists($T_Dir) then Return 0
  ; keep on looping until all directories are counted
   While $T_DirCount > $n_DirCount
      $n_DirCount = $n_DirCount + 1
      $n_Search = FileFindFirstFile($n_Dirnames[$n_DirCount][0] & "\*.*" )  
      If $n_Search = -1 Then
          ContinueLoop
      EndIf
      ShowMenu("Processing directory:" & @LF & $n_Dirnames[$n_DirCount][0],0)
      While 1
         $n_File = FileFindNextFile($n_Search) 
         If @error Then ExitLoop
         $n_tFile = $n_Dirnames[$n_DirCount][0] & "\" & $n_File
         ShowMenu("           File     :" & $n_File,2)
        ; skip these references
         if $n_File = "." or $n_File = ".." then 
            ContinueLoop
         EndIf
        ; if Directory than add to the list to be processed later
         If StringInstr(FileGetAttrib ( $n_tFile ),"D") > 0 then
            If $T_Incl_SubDir = 1 then
               $T_DirCount = $T_DirCount + 1
               $n_Dirnames[$T_DirCount][0] = $n_tFile
               $n_Dirnames[$T_DirCount][1] = 0
            EndIf
         Else
        ; Check age of the file
            $n_Fdate = FileGetTime($n_tFile,1)
            $sdate=$n_Fdate[0] & "/" & $n_Fdate[1] & "/" & $n_Fdate[2] & " " &  $n_Fdate[3] & ":" & $n_Fdate[4] & ":" & $n_Fdate[5]
            $edate=@YEAR & "/" & @MON & "/" & @MDAY & " " &  @HOUR & ":" & @MIN & ":" & @SEC
            If _DateDiff ('d',$sdate,$eDate) > $T_Days then
               $rc = FileRecycle($n_tFile)
               Writelog($sdate  & " " & _DateDiff ('d',$sdate,$eDate) & " *** rc:" & $rc & " del-> "  & $n_tFile)
            Else
              ; add 1 to filecount for this directory
               Writelog(" Keep -> "  & $n_tFile)
               $n_Dirnames[$n_DirCount][1] = $n_Dirnames[$n_DirCount][1] + 1
            EndIf
         EndIf
      Wend
      FileClose($n_Search)
   Wend
   Writelog("### Removing empty directories ###")
   For $x = $T_DirCount to 2 step -1
       Writelog("Dir: " & $n_Dirnames[$x][0] & "  Files:" & $n_Dirnames[$x][1])
       If $n_Dirnames[$x][1] = 0 then 
          If "user\hidden" <> StringRight($n_Dirnames[$x][0],11) then
            DirRemove ($n_Dirnames[$x][0])
            Writelog("   Remove Dir: " & $n_Dirnames[$x][0])
          EndIF
       EndIf
   Next
   Writelog("### End Run ###")
   Return ( 1 )
EndFunc
;
;======================================
; Stop executing when Hotkey is pressed
;======================================
Func StopExec()
   $mrc=Msgbox(4,"Cancel Execution?","Your pressed " & $Hotkey & ". Do you want to cancel the Program?")
   if $mrc = 6 then 
      writelog("*** Utility Cancelled by operator.")
      Exit
   EndIf 
   Return 
EndFunc
;=====================================================
; Show Splash screen or update its content
;=====================================================
Func ShowMenu($g_msg,$concat)
   $W_Title=" file remove Utility (ver:" & $Version & ")             Press " & $Hotkey & " to stop execution"
   $D_msg = ""
   If $concat > 0 Then
      If $concat = 1 Then
         $L_msg = $L_msg & @LF & $g_msg
         $d_msg = $L_msg 
      Else
         $d_msg = $L_msg & @LF & $g_msg
      EndIf
   Else
      $L_msg = $g_msg
      $d_msg = $g_msg 
   EndIf
   if WinExists($W_Title) then
      ControlSetText($W_Title,"","Static1",$d_msg)
   else
      SplashTextOn($W_Title,$d_msg,800,100,1,1,6,"Courier",10,600)
   endif
   Return 0
EndFunc
;==============================
; Write to logfile
;==============================
Func WriteLog($msg)
   $msg =  @YEAR & "/" & @MON & "/" & @MDAY & " " & @HOUR & ":" & @MIN & ":" & @SEC & " " & "==>" & $msg
   FileWriteLine(@ScriptDir & "\RemFiles.log", $msg )
   Return 0
EndFunc

Edited April 11, 2005 by JdeB

jprater · September 14, 2004

That looks like it will do what I'm after perfectly. I was hoping there was some sort of function within AutoIt that would allow calander calculations, but that doesn't seem to be the case. Thanks Very much for the help.

sksbir · October 6, 2005

I revrote the function in order to recursive delete files and subfolders from a folder

Don't forget to deact verbose mode (witch writes a log file in TEMP directory)

French version (english version follows)

; ----------------------------------------------------------------------------
;
; AutoIt Version: 3.1.0

;
; Menage récursif de tous les fichiers/dossiers plus vieux que NBHEURES heures.
;
; ajout bibliotheque pour _datediff
#include <Date.au3>

; ajout bibliotheque pour _FileWriteLog
#include <file.au3>

Func epur_repertoire($REPERTOIRE,$NBHEURES,$SELFDELETE)
    Local Const $VERBOSE="OUI"
    if $VERBOSE="OUI" then _FileWriteLog(@TempDir & "\test_epur.log","Appel epur_repertoire(" & $REPERTOIRE & "," & $NBHEURES & "," & $SELFDELETE & ")" )
;
; suppression du \ éventuellement trouvé à la fin de l'argument.
    If StringRight($REPERTOIRE,1) = "\" then $REPERTOIRE = StringTrimRight($REPERTOIRE,1)
;
; validation que l'argument existe et est un répertoire
    if not(FileExists($REPERTOIRE)) then Return(1)
    If StringInstr(FileGetAttrib ( $REPERTOIRE ),"D") = 0 then return(2)
;
    local $SCANREP = FileFindFirstFile($REPERTOIRE & "\*.*") 
; Si le répertoire est deja vide...
    If $SCANREP = -1 Then return(0)
; boucle de traitement de tout le contenu
    While 1
        local $FICHIER = FileFindNextFile($SCANREP) 
        If @error Then ExitLoop
        if $FICHIER = "." or $FICHIER = ".." then ContinueLoop
; Appel recursif pour tous les sous-répertoires, utilisation de l'option selfdelete pour nettoyer l'arboresence de ses répertoires vides.
        If StringInstr(FileGetAttrib ( $REPERTOIRE & "\" & $FICHIER ),"D") = 1 then
            epur_repertoire($REPERTOIRE & "\" & $FICHIER,$NBHEURES,1)
        Else
; recherche sur la date de modification.
            local $DATEFIC= FileGetTime($REPERTOIRE & "\" & $FICHIER,0,0)
            local $DIFF1=_DateDiff("h", $DATEFIC[0] & "/" & $DATEFIC[1] & "/" & $DATEFIC[2] & " " &  $DATEFIC[3] & ":" & $DATEFIC[4] & ":" & $DATEFIC[5], _NowCalc())
; recherche sur la date de création ( vieux fichier récemment déplacés par exemple )
            local $DATEFIC= FileGetTime($REPERTOIRE & "\" & $FICHIER,1,0)
            local $DIFF2=_DateDiff("h", $DATEFIC[0] & "/" & $DATEFIC[1] & "/" & $DATEFIC[2] & " " &  $DATEFIC[3] & ":" & $DATEFIC[4] & ":" & $DATEFIC[5], _NowCalc())
; suppression si les 2 dates sont antérieures à la limite.            
            if $VERBOSE="OUI" then _FileWriteLog(@TempDir & "\test_epur.log","Fichier=" & $FICHIER & ",DIFF1=" & $DIFF1 & ",DIFF2=" & $DIFF2)
            if ($DIFF1 > $NBHEURES) and ($DIFF2 > $NBHEURES) then 
                local $RETCOD=FileDelete ($REPERTOIRE & "\" & $FICHIER )
                if $VERBOSE="OUI" then _FileWriteLog(@TempDir & "\test_epur.log","Suppression Fichier " & $FICHIER & ", RETCOD=" & $RETCOD )
                EndIf
        EndIf   
    WEnd
; vital : fermer le scan du rep avant de tenter la suppression du répertoire scanné.
    FileClose($SCANREP)
; on s'occupe du répertoire courant.
    if $SELFDELETE = 1 Then
; pas de suppression récursive (of course!!)
        local $RETCOD=DirRemove ($REPERTOIRE,0 )
        if $VERBOSE="OUI" then _FileWriteLog(@TempDir & "\test_epur.log","Suppression repertoire=" & $REPERTOIRE & ", RETCOD=" & $RETCOD )
    EndIf
EndFunc



;
; exemple d'appel:
;
$CHOIXREP=FileSelectFolder ( "Choisissez le répertoire à épurer : ", "" , -1 , @TempDir )

$RETENTION=InputBox("Rétention","Tapez la rétention en heure:",48," M")
epur_repertoire( $CHOIXREP,$RETENTION,0)
;

Same version, with comments translated in english ( replace variables names at will )

; ----------------------------------------------------------------------------
;
; AutoIt Version: 3.1.0

;
; recursive delete for all files and subfolders older than NBHEURES hours.
;
; include for _datediff
#include <Date.au3>

; include for  _FileWriteLog
#include <file.au3>

Func epur_repertoire($REPERTOIRE,$NBHEURES,$SELFDELETE)
    Local Const $VERBOSE="OUI"
    if $VERBOSE="OUI" then _FileWriteLog(@TempDir & "\test_epur.log","Appel epur_repertoire(" & $REPERTOIRE & "," & $NBHEURES & "," & $SELFDELETE & ")" )
;
; remove the "\" at end of given path.
    If StringRight($REPERTOIRE,1) = "\" then $REPERTOIRE = StringTrimRight($REPERTOIRE,1)
;
; check that given path exists and is a directory
    if not(FileExists($REPERTOIRE)) then Return(1)
    If StringInstr(FileGetAttrib ( $REPERTOIRE ),"D") = 0 then return(2)
;
    local $SCANREP = FileFindFirstFile($REPERTOIRE & "\*.*") 
; if directory is already empty...
    If $SCANREP = -1 Then return(0)
; loop for each item in given folder
    While 1
        local $FICHIER = FileFindNextFile($SCANREP) 
        If @error Then ExitLoop
        if $FICHIER = "." or $FICHIER = ".." then ContinueLoop
; recursive call for each subdirectory, activating "selfdelete" option in order to remove empty directories
        If StringInstr(FileGetAttrib ( $REPERTOIRE & "\" & $FICHIER ),"D") = 1 then
            epur_repertoire($REPERTOIRE & "\" & $FICHIER,$NBHEURES,1)
        Else
; seeking for modification date
            local $DATEFIC= FileGetTime($REPERTOIRE & "\" & $FICHIER,0,0)
            local $DIFF1=_DateDiff("h", $DATEFIC[0] & "/" & $DATEFIC[1] & "/" & $DATEFIC[2] & " " &  $DATEFIC[3] & ":" & $DATEFIC[4] & ":" & $DATEFIC[5], _NowCalc())
; seeking for creation date ( example : old files recently moved here)
            local $DATEFIC= FileGetTime($REPERTOIRE & "\" & $FICHIER,1,0)
            local $DIFF2=_DateDiff("h", $DATEFIC[0] & "/" & $DATEFIC[1] & "/" & $DATEFIC[2] & " " &  $DATEFIC[3] & ":" & $DATEFIC[4] & ":" & $DATEFIC[5], _NowCalc())
; deleting if condition matching            
            if $VERBOSE="OUI" then _FileWriteLog(@TempDir & "\test_epur.log","Fichier=" & $FICHIER & ",DIFF1=" & $DIFF1 & ",DIFF2=" & $DIFF2)
            if ($DIFF1 > $NBHEURES) and ($DIFF2 > $NBHEURES) then 
                local $RETCOD=FileDelete ($REPERTOIRE & "\" & $FICHIER )
                if $VERBOSE="OUI" then _FileWriteLog(@TempDir & "\test_epur.log","Suppression Fichier " & $FICHIER & ", RETCOD=" & $RETCOD )
                EndIf
        EndIf   
    WEnd
; mandatory : close current directory scan before trying to suppress it.
    FileClose($SCANREP)
; try to suppress current dir.
    if $SELFDELETE = 1 Then
; NOT récursive (of course!!)
        local $RETCOD=DirRemove ($REPERTOIRE,0 )
        if $VERBOSE="OUI" then _FileWriteLog(@TempDir & "\test_epur.log","Suppression repertoire=" & $REPERTOIRE & ", RETCOD=" & $RETCOD )
    EndIf
EndFunc



;
; example:
;
$CHOIXREP=FileSelectFolder ( "Choose directory to clean : ", "" , -1 , @TempDir )

$RETENTION=InputBox("hourlimit","give hour limit:",48," M")
epur_repertoire( $CHOIXREP,$RETENTION,0)
;

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