Figured I’d write down a quick set of commands in VI. Also, I keep on forgetting a few useful commands in vi so I’m gonna start archiving them here.
Show Hidden Characters
Reload a file from disk
Hide Hidden Characters
Fix vi’s broken arrow keys (mostly ubuntu machines)
Or better yet put it in the .vimrc file.
echo “set nocompatible” >> ~/.vimrc
Change blue syntax coloring to something you can read on black backgrounds
Add “hi comment ctermfg=blue” to the .vimrc file
echo “hi comment ctermfg=blue” >> ~/.vimrc
Navigate to top and bottom
Go to top:
Go to bottom:
where <SEARCHSTRING> is what you’re looking for.
Ignore caps in search:
Editing (Insert mode)
Press ‘esc’ to get out of insert mode. Use arrow keys and page up/page down to get around.
Delete current line
Delete from one marker to the next
First make a marker
Where k could be anything from the letter ‘a’ to ‘z’
Now move your cursor somewhere and type
This will delete everything between your current cursor and the marker at k.
Also note that typing k will take you to that marker.
Exit and don’t save
! means force. If you changed something and didn’t put !, then it wouldn’t let you exit.
Exit and save
Open a file in read only mode
vi -R <FILENAME>
Find and Replace
The above does one line on the cursor, but to do the whole page