~/.exrc file for vi

exrc

set showmode
set laststatus=2
set statusline+=%F
map ^H :!more ~/.vi_help^M
map #2 :set number^M
map #3 :set nonumber^M
map #4 :set autoindent^M
map #5 :set noautoindent^M
map #6 :set list^M
map #7 :set nolist^M
"map #4 o<table>
"  <tr>
"    <td>
"    </td>
"  </tr>
"</table>
"map #5 o<ul>
"  <li></li>
"</ul>
"map #6 o<ul>
"  <li><a href=""></a></li>
"</ul>
" https://alvinalexander.com/unix/edu/un010003/

vi_help

                                                                        vi Help
----------------------------------
Function Key Mappings (Customized)
----------------------------------

 ctrl+h:  get help (show this screen)
 F2:      set number
 F3:      set nonumber
 F4:      set autoindent
 F5:      set noautoindent
 F6:      set list (show white space and line ending)
 F7:      set nolist

----------------                        -----------------
Editing Commands                        Deleting Commands
----------------                        -----------------

 i	insert				x	delete current character
 I	insert (head of line)		3x	delete 3 characters
 o	open a new line (below)		X	delete character to left
 O	open a new line (above)		dw	delete current word
 a	append				d3w	delete 3 words from current word
 A	append at end of line		db	delete one word to left
 u	undo				d0	delete to beginning of line
 .	repeat last command		d$	delete to end of line
					dd      delete current line
					5dd     delete 5 lines

-------------------			-----------------
Cutting and Pasting			Movement Commands
-------------------			-----------------

 yy	yank (copy) current line	H	move to top of screen (high)
 5yy	yank 5 lines			M	move to middle
 p	paste				L	move to low
 P	paste above current position	10G	go to line 10
					G	go to end of lines
					gg	go to first line
					w	go to next word
					b	go back to previous word
					0	beginning of line
					$	end of line

------------------
Searching Commands
------------------

 /fred		search for "fred"
 ?fred		search backwards for "fred"
 n		find next match
 N		find previous match

---------------------
Run External Commands
---------------------

 :!ls -al		list current directory (long list)
 :!pwd			print working directory

----------------------
Substitute Commands
----------------------
 :s/F.*E/BA/		swap first (longest) F.*E with BA (current line only)
 :s/FRED/BARNEY/g	swap FRED with BARNEY (current line only)
 :1,$s/FRED/BARNEY/g	swap every occurrence of FRED with BARNEY (entire file)
 :%s/FRED/BARNEY/g	swap FRED with BARNEY (find in all lines)
			%s = 1,$s
 :/co/s/FRED/BARNEY/g	in lines that contain "co", 
			swap FRED with BARNEY (current line only)
 :.+3s/FRED/BARNEY/g	swap FRED with BARNEY on current+3 line 
			not work with %s directly
 :+3s/FRED/BARNEY/g	same as .+3s
 :10,20s/FRED/BARNEY/g	swap FRED with BARNEY on lines 10 through 20
 http://www.guckes.net/vi/substitute.html

----------------------
Miscellaneous Commands
----------------------
 :w 			save current file 
 :w /path/to/file	save current file to a different path
 :r /path/to/file	read contents of a file into the current file
 :10,20d		delete lines 10 through 20
 :10,20y		yank (copy) lines 10 through 20 to the buffer

----------------
Auto-Indentation
----------------

Your ~/.exrc file is configured to automatically indent each line.  
To move backwards (and eliminate indentation), switch to edit mode then hit 

	^d