Rename files in a folder, then copy each file to its own folder
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Thread: Rename files in a folder, then copy each file to its own folder

  1. #1
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    Rename files in a folder, then copy each file to its own folder

    C# newbie here...

    For simplicity, lets say I have a folder called TEST, which contains 3 files. Each file is named with the following naming convention: INVOICE_ABC_123.pdf, INVOICE_DEF_123.pdf, INVOICE_GHI_123.pdf.

    I would like to rename each file, stripping out INVOICE_, and replacing the trailing numeric values with todays date, resulting in files named like: ABC_6_11_14.pdf, DEF_6_11_14.pdf, GHI_6_11_14.pdf.

    I then want to loop through the files, creating a TEST2 folder which will contain a folder for each file, like: TEST2\ABC\xxx.pdf, TEST2\DEF\xxx.pdf, TEST2\GHI\xxx.pdf.


    Any help would be much appreciated.

  2. #2
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    Re: Rename files in a folder, then copy each file to its own folder

    If you don't need the original folder, just copy/rename one file at a time, and place in new folder. Then delete all of the original files. The names can stay the same on those...
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  3. #3
    Arjay's Avatar
    Arjay is offline Moderator / MS MVP Power Poster
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    Re: Rename files in a folder, then copy each file to its own folder

    Check out the system.IO namespace in msdn. For file/directory operations, check out http://msdn.microsoft.com/en-us/libr...v=vs.110).aspx

  4. #4
    Arjay's Avatar
    Arjay is offline Moderator / MS MVP Power Poster
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    Re: Rename files in a folder, then copy each file to its own folder

    If you don't need to retain the renamed files in the original folder, you can use File.Move to rename them and move them all in one method call.

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    Re: Rename files in a folder, then copy each file to its own folder

    additionally if you have to do work on those names algorithmic-ly
    you can use the method (also shown in his link above) Path.GetFileName

    string stringtoworkon = Path.GetFileName( somefilepath)

    then simply use
    string[] filenamepieces = String.Split(stringtoworkon, splitchars)

    you can pass string.Split(..,...) a character Array to break up your string
    using with whatever characters you wish to break it apart with

    char[] splitchars = new char[]{ '_','-'}; // chars are entered with ' not " quotes

    then you have each of those little parts you can process and check or change if required
    do a foreach loop on them if you like to build them all back up into a single string ect...
    that way working on a file name is equivalent to simply working on a string
    Last edited by willmotil; June 13th, 2014 at 03:31 AM.

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