vi stuff.md

Find out

There are commands that start it's action as soon as you issue it, and there are some that requires additional arguments.

For example, ^ moves cursor to the first character on the line right away, but y requires additional argument to start executing.

Inserting, Changing, Replacing and Joining

key stroke	Description
shift+j	join lines
g shift+j	do not add space when joining lines
~	change character under caret to uppercase
g ~ {motion}	change the sequence covered by motion to uppercase

Searching, Finding and Replacing

key stroke	Description
f {char}	find the char on the line
F {char}	find the char on the line, backwards
f {char}, ; repeat	repeats the search
f {char}, , repeat	repeats the search in opposite direction
t {char}	Position cursor one position before the given char
T {char}	Position cursor one position before the given char, backwards

Consider the following string

Delete THIS<<-- word.

To delete the THIS<<-- we can do

1. Position cursor under T with f T
2. d t w or d f [space] or d [Shift]+w or

key stroke	Description
/ {word}	search word subsequently n repeat N repeat opposite direction
? {word}	search for word backwards. n repeats N repeats in opposite direction
*	find the next occurence of the word under or nearest to the word under the cursor
#	find the next occurence of the word under or nearest to the word under the cursor, backwards

Combine commands::

1. If we do d /This, vi will delete everything from current cursor to where it found This.
2. If we are at the start of a line, and do "a y /z, vi will yank characters from the currect cursor to the first occurence of character z to register a