Vim

Table of Contents

1. Format long lines of text
2. Vimdiff without context
3. Search for selected text
4. Show setting current value
5. Make highlighted text lowercase/uppercase
6. New lines
7. Append foo at the end of every line containing bar
8. Substitute every instance of foo with bar on lines starting with ^baz in the buffer
9. Substitute every instance of foo in the buffer with bar
10. List sourced scripts by loading order
11. References

1. Format long lines of text

See :help gq

2. Vimdiff without context

Only show lines with a diff :set diffopt=filler,context:0

3. Search for selected text

https://superuser.com/a/1357957

V enter visual mode
y yank the selection into the " register
/ enter search mode
C-r " insert text from " register
RET press enter

4. Show setting current value

https://stackoverflow.com/a/2078272

Add a ? mark after the setting name and it will show its value, e.g. :set expandtab?

5. Make highlighted text lowercase/uppercase

V enter visual mode
select lines
u / U to switch between lowercase and uppercase

6. New lines

Use \r (return carriage) instead of \n for new lines

this,is,a,line

In Visual line mode, press : and enter this command s/,/,\r/g

this,
is,
a,
line

7. Append `foo` at the end of every line containing `bar`

See :help :g

:g/bar/norm A foo

8. Substitute every instance of `foo` with `bar` on lines starting with `^baz` in the buffer

See :help :g

:g/^baz/s/foo/bar/g

9. Substitute every instance of `foo` in the buffer with `bar`

See :help :s and :help :%

:%s/foo/bar/g

10. List sourced scripts by loading order

Run vim --clean to not load any personal configuration, see :help :scriptnames

11. References