Batch script to pick filename from a text file and find the latest file -

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scenario: have multiple releases of product, , each release, folder created in main folder. file modified in various releases. have file names listed in text file. need script to:

  1. take each file name filenames.txt file
  2. search file name in entire directory (in releases)
  3. find latest file
  4. copy specified folder

i took various pieces of code found on stack overflow, , combined them code:

@echo off setlocal enabledelayedexpansion echo. /f "usebackq delims=" %%a in ("filenames.txt") (       set "x=%%a"       echo '!x!'       set ffpath=c:\svn\nlbavwdocsvn\rep_doc_erpln\trunk\erpln       set newpath=c:\lavanya\extracted       set newestdate=20160824       echo recursively searching %ffpath%       /f %%i in ('dir %ffpath%\ !x! /a:-d /s /b') (           set fulldate=%%~ti           echo %ffpath%           rem set currdate yyyymmdd format.  note:  fail if regional settings changed.           set currdate=!fulldate:~6,4!!fulldate:~0,2!!fulldate:~3,2!            if !currdate! gtr !newestdate! (               set newestdate=!currdate!               set newestfile=%%~fi )           echo copying %newestfile% %newpath%           echo.           copy /y "%newestfile%" "%newpath%"           echo.        ) ) pause

this code not working. , unable figure out error.

here script search modified file, using wmic command retrieve last modification date/time in locale-independent manner (e. g., 20160824115500.000000+060).

so every file name read list file .\filenames.txt, directory tree routed @ directory c:\svn\nlbavwdocsvn\rep_doc_erpln\trunk\erpln searched matching files recursively, , respective modify date/time stamp gathered. due format, simple greater-than (gtr) comparison can done determine whether or not later point of time cached one; if criterion fulfilled, cache updated accordingly.

the upper-case rem , echo commands constitute placeholders real action performed on files. extend script there like. variable !lastfile! holds full path each encountered file.

so here code:

@echo off setlocal enableextensions disabledelayedexpansion  rem // define constants here: set "location=c:\svn\nlbavwdocsvn\rep_doc_erpln\trunk\erpln" set "filelist=.\filenames.txt" set "wmicprop=lastmodified" & rem // {creationdate | lastaccessed | lastmodified}  pushd "%location%" || exit /b 1 /f "usebackq eol=| delims=" %%l in ("%filelist%") (     set "lastfile="     set "lastfage=00000000000000.000000+000"     /f "eol=| delims=" %%f in ('dir /b /s /a:-d "%%~l"') (         set "file=%%f"         setlocal enabledelayedexpansion         set "file=!file:\=\\!"         /f "tokens=2 delims==" %%j in ('             2^> nul wmic datafile ^(name^="!file!"^) %wmicprop% /value ^|^| ^                 2^> nul wmic datafile name^="!file!" %wmicprop% /value         ') /f %%i in ("%%j") (             endlocal             set "fage=%%i"             setlocal enabledelayedexpansion             if !fage! gtr !lastfage! (                 endlocal                 set "lastfile=%%f"                 set "lastfage=%%i"                 setlocal enabledelayedexpansion             )         )         endlocal     )     if defined lastfile (         setlocal enabledelayedexpansion          rem whatever want file here...         echo newest file: "!lastfile!"          endlocal     ) ) popd  endlocal exit /b

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