How can you automatically remove trailing whitespace in vim

Question

I am getting \'trailing whitespace\' errors trying to commit some files in git.

I want to remove these trailing whitespace characters automatically right before I sa

Answer 1

This is how I'm doing it. I can't remember where I stole it from tbh.

autocmd BufWritePre * :call StripWhite()
fun! StripWhite()
    %s/[ \t]\+$//ge
    %s!^\( \+\)\t!\=StrRepeat("\t", 1 + strlen(submatch(1)) / 8)!ge
endfun