Instead of wrapping lines visually, I want vim to wrap with a linebreak regardless of my the window dimensions. How can I set this automatically


You could work with wrapmargin:

set textwidt=0
set wrapmargin=1
set formatoptions+=t
set formatoptions-=l

The option wrapmargin defines the "number of characters from the right window border where wrapping starts". This option is only used, if textwidth is set to zero.

The formatoption t enables auto-wrap of text. By removing l from the formatoptions, also lines that are already longer are wrapped.

See :help 'wrapmargin', :help 'formatoptions' and :help fo-table

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  • "... regardless of my window dimensions." -- from the description of wrapmargin it is kind of the opposite. But I didn't know about it, thx. – Maxim Kim Feb 5 '19 at 6:34
  • @MaximKim Guess the question has room for interpretation. We'll see what the TO meant, after he accepted an answer. :-) – Ralf Feb 5 '19 at 6:38
  • I want it wraped using a linebreak. The problem is that it can feel difficult to tell where lines start and end when writing code, and it makes the find shortcut act strange. – Hussar Feb 5 '19 at 7:29
  • @Hussar Set wrapmargin to 1. Guess made some mistake while testing. – Ralf Feb 5 '19 at 7:35


set textwidth=50

The 'textwidth' option can be used to automatically break a line before it gets too long. Set the 'textwidth' option to the desired maximum line length. If you then type more characters (not spaces or tabs), the last word will be put on a new line (unless it is the only word on the line). If you set 'textwidth' to 0, this feature is disabled.


The line is only broken automatically when using Insert mode, or when appending to a line. When in replace mode and the line length is not changed, the line will not be broken.


In the comments I see you use "auto" linebreaks for coding.

Have you tried breakindent and friends?

enter image description here

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  • then setting textwidth requires that I change it each time the dimensions of the window change. Why can't this be done for me? – Hussar Feb 5 '19 at 7:15
  • It can be, using wrapmargin. But it depends on window dimension which you said in the question you want to avoid (or I read it that way :). textwidth doesn't depend on window dimensions and will insert linebreak at the specified column. – Maxim Kim Feb 5 '19 at 8:07
  • I should have made that more clear. I suspected a solution like that would exist. Wouldn't this make each function behave like one long line and make it harder to move within the function? – Hussar Feb 5 '19 at 8:36
  • Well, you don't have to put a whole function in one line. Breakindent helps visually break a line you don't want to automatically break physically(or hard) because it might change a semantic. Take a python for example, you are not allowed to break a line without adding special continuation char `\`. – Maxim Kim Feb 5 '19 at 8:55

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