From bc9e269bd03f749c0d482f8c8c1677382d0bbb8d Mon Sep 17 00:00:00 2001
From: mg <michael.grote@posteo.de>
Date: Tue, 29 Aug 2023 08:32:53 +0200
Subject: [PATCH] vim: whitespaces

---
 .vimrc | 22 +++++++++++++++-------
 1 file changed, 15 insertions(+), 7 deletions(-)

diff --git a/.vimrc b/.vimrc
index bccbaf5..b49fce7 100644
--- a/.vimrc
+++ b/.vimrc
@@ -236,25 +236,33 @@ nnoremap <Leader>z :set nonumber! norelativenumber!<CR>
 :  autocmd BufLeave,FocusLost,InsertEnter,WinLeave   * if &nu                  | set nornu | endif
 :augroup END
 
-function! Whitespaces()
+" einzelne Aufräumfunktionen, bei F9 werden alle gecalled
+" trailing whitespaces werden automatisch beim speichern entfernt
+function! Whitespaces_trailing()
     " Remove trailing whitespace
     %s/\s\+$//e
-
+endfunction
+function! Whitespaces_consecutive()
     " Replace consecutive spaces between words with a single space (only for .md files)
     if &filetype == "markdown"
         %s/\(\w\)\s\+\(\w\)/\1 \2/g
     endif
-
+endfunction
+function! Whitespaces_lines()
     " Run silent command to remove multiple consecutive empty lines (only for .md files)
     if &filetype == "markdown"
         silent %!cat -s
     endif
 endfunction
-
+function! Whitespaces_all()
+  call Whitespaces_trailing()
+  call Whitespaces_consecutive()
+  call Whitespaces_lines()
+endfunction
 " Map F9 to execute the custom function
-nnoremap <F9> :call Whitespaces()<CR>
-
-
+nnoremap <F9> :call Whitespaces_all()<CR>
+" entferne trailing whitespaces beim speichern
+autocmd BufWritePre * :call Whitespaces_trailing()
 
 " Exit Vim if NERDTree is the only window remaining in the only tab.
 autocmd BufEnter * if tabpagenr('$') == 1 && winnr('$') == 1 && exists('b:NERDTree') && b:NERDTree.isTabTree() | quit | endif