vi is the de facto standard
Unix editor, you find it in every *NIX derived OS.
Here you will find a collection of commands, command sequences in
vi(1)/ex(1)
or with 3rd party unitilities which make
vi rock m/. These all work
with at least nvi 1.79 and
2.1.3 (unicode).
Helpful documents:
Yank / delete an arbitrary number of lines
1) mark the first line: mk
2) move to last line
3a) yank: y'k
3b) delete: d'k
4) move to destination line
5) put with P or p
Apply regex to an arbitrary number of lines
1) mark the first line: mk
2) mark the last line: ml
:'k,'ls/regex/power/g
Add # to block of text
:'k,'ls/^/#/
Remove trailing whitespace of block of text
:'k,'ls/ *$//
Search and replace PATHs, using different delimiter
:%s#/usr/local/log#/var/log#g
Write file as root
:w !doas tee %
Diff the file on disk with the file in the buffer
:w !diff -u % -
Make a backup of the file on disk
:!cp % %.bak
Sort all lines
:%!sort
Sort paragraph
!}sort
} won’t be shown in the command.
Sort from current line to EOF
!Gsort
G won’t be shown in the command.
Uniq all lines
:%!uniq
Uniq paragraph
!}uniq
} won’t be shown in the command.
Uniq from current line to EOF
!Guniq
G won’t be shown in the command.
Underline all lines starting with CHAPTER
:g/^CHAPTER /t.|s/./=/g
Search for “pattern”, print the containing function (start with def) and line number
:g/pattern/?^ *def ?#
Add # to paragraph containing “pattern”
:g/pattern/?^$?+,//-s/^/#
Sort content of multiline CSS blocks
:g/{$/+,/^}/-!sort
Sort content of multiline CSS blocks (media queries)
:g/^[^@].*{$/+,/}/-!sort
Reformat HTML paragraphs to a fixed width (40)
:g/<p>/+,/</p>/-!fmt -40
Swap “Lastname, Firstname” to “Firstname, Lastname”
:%s/(.*), (.*)/2 1/
Join all lines
:%j
Copy (t) or move (m) lines containing “pattern”
:g/pattern/t$
:g/pattern/m$
Select a column (3rd) from formated text seperated by ‘:’
:%!awk -F':' '{print $3}'
Insert the sum of a list of numbers after an arbitrary number of lines
1) mark the first line: mk
2) mark the last line: ml
:'k,'l!awk 'END{print "Total:", i}{i+=$1; print}'
More compact version:
:'k,'l!awk 'END{print "Total:", i} ++i || 1'
Email the current paragraph
:?^$?+,//-w !mail -s "<subject>" email@example.com
Enable and use ex history
1) Set ESC key to enable history, or add to .exrc:
:set cedit=<CTRL-V><ESC>
2) Use it with:
:<ESC>
