Visual select the text, then U for uppercase or u for lowercase. To swap all casing in a visual selection, press ~ (tilde). Without using a visual selection, gU<motion> will make the characters in motion uppercase, or use gu<motion> for lowercase. For more of these, see Section 3 in Vim’s change.txt help file.
remap is an option that makes mappings work recursively. By default it is on and I’d recommend you leave it that way. The rest are mapping commands, described below: :map and :noremap are recursive and non-recursive versions of the various mapping commands. For example, if we run: Then: j will be mapped to gg. Q will also be mapped to gg, because j will be expanded for the recursive mapping. W will be mapped to j (and … Read more
To turn off highlighting until the next search: Or turn off highlighting completely: Or, to toggle it:
I have a Ruby code file open in vi, there are lines commented out with #: Say I want to uncomment all the lines in the first def … end section. What’s an efficient way to do that in Vim? In general, I’m looking for an easy and fluid way to comment and uncomment lines. … Read more
You can use the \c escape sequence anywhere in the pattern. For example: /\ccopyright or /copyright\c or even /copyri\cght To do the inverse (case sensitive matching), use \C (capital C) instead
You can use the u button to undo the last modification. (And Ctrl+R to redo it). Read more about it at: http://vim.wikia.com/wiki/Undo_and_Redo
Expanding on zoul’s answer: If you want to setup Vim to use specific settings when editing a particular filetype, you’ll want to use autocommands: This will make it so that tabs are displayed as 4 spaces. Setting expandtab will cause Vim to actually insert spaces (the number of them being controlled by tabstop) when you press tab; you … Read more
Another option which may be easier to remember would be to place marks on the two lines with ma and mb, then run :’a,’byank. Many different ways to accomplish this task, just offering another.
Vim has modal editing (answering the vice versa part). And it runs in a terminal. You are likely correct; if “vim” isn’t a real text editor, I’m not sure what is. I guess ed, the standard Unix text editor, would be the only real one.
To allow backspacing over everything in insert mode (including automatically inserted indentation, line breaks and start of insert) you can set the backspace option: or By default this option is empty, not allowing you to backspace over the above-mentioned things. This is the standard Vi behavior. You can put this line to your vimrc file … Read more