Renaming files using a batch script
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Thread: Renaming files using a batch script

  1. #1
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    Question Renaming files using a batch script

    I receive a file from an external source on my PC each day with the name format:

    FILE-01_CSV.yyyymmdd.output.csv

    I have a batch script which moves this file to a shared directory. However, my users can't automatically import the file into their database because of the dots in the filename. Is there a simple way to rename the file, keeping the .csv extension but replacing all the other dots in the filename with an underscore? My script runs on NT. Thanks in advance.

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  2. #2
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    Hi Dave, Sorry for the delay in replying.
    Your batch file uses simple DOS commands.
    Use the COPY command to copy it from source directory to destinantion directory with new filename.
    e.g.
    Code:
    COPY FILE-01_CSV.yyyymmdd.output.csv d:\sharedir\FILE-01_CSV_yyyymmdd_output.csv
    smurfy
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  3. #3
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    Hi Smurfy,

    That would be fine if I was working with a fixed filename but the filename changes each day (the yyyymmdd being the date). I think that I really need some sort of filename manipulation routine which parses the name of the file coming in to build up the name of the output file.
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  4. #4
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    Is it possible to get the people who generate the file to name it FILE-01_CSV_yyyymmdd_output.csv ?

    Then you don't need to rename it.
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  5. #5
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    Or try this
    Code:
    Set CURRDATE=%TEMP%\CURRDATE.TMP
    DATE /T > %CURRDATE%
    
    Set PARSEARG="eol=; tokens=1,2,3,4* delims=/, "
    For /F %PARSEARG% %%i in (%CURRDATE%) Do SET YYYYMMDD=%%l%%k%%j
    
    copy FILE-01_CSV.yyyymmdd.output.csv x:\share\FILE-01_CSV_%yyyymmdd%_output.csv
    Which basically works out what the date is in YYYYMMDD format and then copies the file renaming and inserting the date.

    With thanks to http://discussions.virtualdr.com/sho...hreadid=157827

    and thus http://www.winnetmag.com/Article/Art...575/13575.html
    Last edited by Nix; October 18th, 2004 at 11:24 PM.
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  6. #6
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    Hi Nix,

    That's almost what I need. The only problem that remains to be solved is that the file arrives just after midnight and has the previous day's date. How do I subtract 1 from the current machine date?
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  7. #7
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    I have sent a PM to Vernon Frazee who is our resident expert of DOS batch files.

    Hopefully he can assist.
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  8. #8
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    Don't have a NT machine handy to try the following BATch file on but it looks like it'll do what you're after on XP:
    Code:
    @echo off
    if exist FILE-01_CSV.*.csv goto Begin
    echo.
    echo Error: No "FILE-01_CSV.*.csv" files exist in the current directory
    goto End
    :Begin
    echo The following file(s):
    dir/b FILE-01_CSV.*.csv
    echo.
    echo has/(have) been renamed to:
    dir/b FILE-01_CSV.*.csv>$temp$.tmp
    for /f "eol=; tokens=1,2,3,4 delims=." %%i in ($temp$.tmp) do ren %%i.%%j.%%k.%%l %%i_%%j_%%k.%%l
    del $temp$.tmp
    dir/b FILE-01_CSV_*.csv
    :End
    Note that you'll need to be in the directory (folder) along with your "FILE-01_CSV.yyyymmdd.output.csv" files before running the above.
    Vernon Frazee, Microsoft MVP (Windows - Shell/User)

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  9. #9
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    Quote Originally Posted by DaveVod View Post
    I receive a file from an external source on my PC each day with the name format:

    FILE-01_CSV.yyyymmdd.output.csv

    I have a batch script which moves this file to a shared directory. However, my users can't automatically import the file into their database because of the dots in the filename. Is there a simple way to rename the file, keeping the .csv extension but replacing all the other dots in the filename with an underscore? My script runs on NT. Thanks in advance.



    Hello,
    There is a simple solution for your trouble. I suggest you to try BatchRenameFiles Tool program and you can change pretty much everything you want.
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    Please be aware this thread is 13 years old. And as such will now be closed.
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