# Editors ## Cheatsheet to vim ### replace all empty lines `:g/^$/d` [regards to here](https://alvinalexander.com/linux-unix/vi-vim-delete-blank-lines-empty-lines)\ `:s//` * `` Range can be a linenumber `12` a range of linenumber `12,14` a range of marks `'a,'b` or the whole document `%` * `` The pattern to search for * `` what to replace the pattern with\ Example comment lines 15 to 25 `:15,25s/^/#`\ [Vim RexEx Engine](https://learnbyexample.github.io/vim_reference/Regular-Expressions.html) change US Date format to European format, and vice-versa ```vim " US (MM/DD/YYYY) → EU (DD.MM.YYYY) s/$\d\+$\/$\d\+$\/$\d\+$/\2.\1.\3/ s/$\d\+$\/$\d\+$\//\2\.\1\./ " EU (DD.MM.YYYY) → US (MM/DD/YYYY) s/$\d\+$\.$\d\+$\.$\d\+$/\2\/\1\/\3/ s/$\d\+$.$\d\+$./\2\/\1\// ``` ### insert file at current position `:r ` insert lines *9* *19* from file `myfile` `:r! sed -n 9,19p /path/to/myfile` ### Ranges Usefule Link [Ranges](https://vim.fandom.com/wiki/Ranges)\ `$` goes to end of Line. ### switch case **upper case** press `gU` to change the letter under the cursor to **lower case** press `gu` to change the letter under the cursor to ### ranges usefule link [ranges](https://vim.fandom.com/wiki/ranges)\ `$` goes to end of line.\ `0` goes to the beginning of line (`^` seems to do the same) ### Visual Mode operations Remap visual mode to `\v` with `nnoremap v ` in `.vimrc` to avoid conflict with Windows *Paste* operation on `Ctrl-v` ### Insert on multiple Lines move to mark the needed lines (h,j,k,l) Hit `-I` for insert mode, type text and hit `` ### Increment numbers mark the numbers to be icremented (there need to be integers, it does not fill whitespace. Use multiline insert first if needed.) then type `g` and `-a` type `:h v_g` to see help entry ### regex [regex](http://www.vimregex.com/) ## Plugins ### Vundle I use vundle for managing plugins, [here](https://github.com/VundleVim/Vundle.vim) ``` git clone https://github.com/VundleVim/Vundle.vim.git ~/.vim/bundle/Vundle.vim ``` ### [Nerdtree](https://github.com/preservim/nerdtree) nerdtree allows you to have a folder pane to navigate files/folders. `?` to see help menu `r` to refresh view, for example after deleting some file `I` to see hidden files and folders ### [youcompleteme](https://github.com/ycm-core/YouCompleteMe) ycm offers autocomplete ### [SURROUND.VIM](https://vimawesome.com/plugin/surround-vim) A plugin to change the brackets or other characters around text. Useful for html for example ### [Emmet](https://github.com/mattn/emmet-vim/) A plugin for html autocompletion Open or create a New File: `vim index.html` Type ("\_" is the cursor position): `html:5_` Then type , (**Ctrl** then **y** then **,**) and you should see: ```html ``` ## Styling ### Theme Put new themes into `~/.vim/colors` and then pick them with `:colo ` `elflord` theme looks nice Latitude 5520 Laptop in Windows Terminal --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://lib.rjo.me/newlib/tools/vim.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.