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  3. removing blank / empty lines from editor ?

removing blank / empty lines from editor ?

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  • L Lost User

    Nice. I copied about 4000 lines of code and copied it back to my .cpp file. I will try to see how my current messy " under construction " file looks now ,,, I would probably do "CodeBeautifier" when my code gets too messy... about hourly... just kidding Thanks

    K Offline
    K Offline
    k5054
    wrote on last edited by
    #10

    If you're looking to reformat your code, you might want to take a look at [ClangFormat — Clang 18.0.0git documentation](https://clang.llvm.org/docs/ClangFormat.html) Depending on which IDE you're using, you may find that others have already created plug-ins for it. A quick google around suggests that Visual Studio and QtCreator both have instructions on how to integerate.

    "A little song, a little dance, a little seltzer down your pants" Chuckles the clown

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    • M Matt T Heffron

      No, that'll collapse everything to a single line! To remove blank lines, in Regular Expression mode replace \r\n(\r\n)+ with \r\n That assumes that the blank lines don't have any whitespace. If they might, then replace \r\n(\s*\r\n)+ with \r\n

      "Fairy tales do not tell children the dragons exist. Children already know that dragons exist. Fairy tales tell children the dragons can be killed." - G.K. Chesterton

      D Offline
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      David ONeil
      wrote on last edited by
      #11

      Thanks! I was being brain dead. I have removed blank lines the way you showed before but dyslexia kicked in.

      Our Forgotten Astronomy | Object Oriented Programming with C++ | Wordle solver

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      • L Lost User

        OK. I asked before so this is a repost... (so sue me...) Is there a plain (text) editor which can remove empty lines ? It would be nice to add as "plug in" into my "development tool"... Thanks

        P Offline
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        pmauriks
        wrote on last edited by
        #12

        VIM or NeoVim can do this. [https://stackoverflow.com/questions/706076/vim-delete-blank-lines#706083\](https://stackoverflow.com/questions/706076/vim-delete-blank-lines#706083) When I first started with VI I hated it. The more I learn though, the better it is. It's my editor of choice now, but I confess I don't use it enough to keep all the goodness in my head, and I often need a few moments to get into the VIM headspace when I start.

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        • D David ONeil

          Specifically, for most files replace '\r\n' with nothing, and select 'Extended' in the options

          Our Forgotten Astronomy | Object Oriented Programming with C++ | Wordle solver

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          Nelviticus
          wrote on last edited by
          #13

          Or 'Edit' -> 'Line Operations' -> 'Remove Empty Lines'

          Regards Nelviticus

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          • M Maximilien

            notepad++

            CI/CD = Continuous Impediment/Continuous Despair

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            tbim
            wrote on last edited by
            #14

            Notepad++ -- Edit | Line Operations | Remove Empty Lines

            Mike

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            • L Lost User

              OK. I asked before so this is a repost... (so sue me...) Is there a plain (text) editor which can remove empty lines ? It would be nice to add as "plug in" into my "development tool"... Thanks

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              BernardIE5317
              wrote on last edited by
              #15

              ^\x0a|^\x0d|^[\s]+.$ seems to work . "Buyer Beware"

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              • L Lost User

                OK. I asked before so this is a repost... (so sue me...) Is there a plain (text) editor which can remove empty lines ? It would be nice to add as "plug in" into my "development tool"... Thanks

                D Offline
                D Offline
                dannette
                wrote on last edited by
                #16

                I have a little note for that for VS Code:

                vscode: ^$\n (to remove empty lines)

                And I don't believe it was with any particular extension.

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                • M Matt T Heffron

                  No, that'll collapse everything to a single line! To remove blank lines, in Regular Expression mode replace \r\n(\r\n)+ with \r\n That assumes that the blank lines don't have any whitespace. If they might, then replace \r\n(\s*\r\n)+ with \r\n

                  "Fairy tales do not tell children the dragons exist. Children already know that dragons exist. Fairy tales tell children the dragons can be killed." - G.K. Chesterton

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                  dandy72
                  wrote on last edited by
                  #17

                  That's what I was thinking; you don't need a separate tool to remove blank lines; a regex search and replace ought to do it. My real question (to the OP) is, does he want the editor to keep the blank lines but just not show them, or really remove them altogether?

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                  • L Lost User

                    OK. I asked before so this is a repost... (so sue me...) Is there a plain (text) editor which can remove empty lines ? It would be nice to add as "plug in" into my "development tool"... Thanks

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                    R Offline
                    RipeTomato
                    wrote on last edited by
                    #18

                    how about Notepad++ Notepad++[^]

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                    • L Lost User

                      OK. I asked before so this is a repost... (so sue me...) Is there a plain (text) editor which can remove empty lines ? It would be nice to add as "plug in" into my "development tool"... Thanks

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                      R Offline
                      Ralf Quint
                      wrote on last edited by
                      #19

                      Don't know (and IDC) about plugin into any development system, but for years, I am using PsPad as my go-to plain text editor on Windows, and it has a function to remove blanks lines (and many other options)...

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