Vi Notes
Search
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edit binary file in vi
:%!xxd
line numbering
Turn on:
:set number
Turn off:
:set nonumber
End of line mark
:set list
G
( capital )
Join lines
aka remove line returns
J
Joins this line and then next with a space, resulting on one line.
gJ
join this line with the next with no space, handy for base64 encodes stuff
vim turn of auto indent
Use while pasting text.
:set paste <then paste you stuff> :set nopaste
tai64nlocal file in vi
:%!tai64nlocal
insert today's date
:r !date
Make <f5> be the "insert date" key.
:nnoremap <F5> "=strftime("%c")<CR>P
:inoremap <F5> <C-R>=strftime("%c")<CR>
more: http://vim.wikia.com/wiki/Insert_current_date_or_time
set tabs to be the ENGDEV way in vi
also called indenting
in the file:
/* ex: set tabstop=4 expandtab: */
or in ~/.vimrc
set tabstop=4 set expandtab
highlight searches:
set hlsearch
turn off colour
:syntax off
Interactive find replace
:%s/old/new/gc
:%s+old+new+
trailing g for many times in one line else once.
fancy find replace
uses match substitution. (X) -> \1
convert:
Target[server-5.location-5.mem]: `/usr/local/bin/snmp_mem_usage.pl public 192.168.5.5 real`
to
Target[server-1.location-5.Swap]: memTotalSwap.0&memTotalSwap.0:public@192.168.5.129:161::::2 - memAvailSwap.0&memAvailSwap.0:public@192.168.5.129:161::::2
in two (in vi):
%s: `/usr/local/bin/snmp_mem_usage.pl public ::g %s/:\(.\+\) real`/ memTotalReal.0\&memTotalReal.0:public@\1:161::::2 - memAvailReal.0\&memAvailReal.0:public@\1:161::::2/
or more generically, reversing stuff:
- %s/(brackets1) stuff (brackets2)/\2stuff\1/g
converts:
brackets1 stuff brackets2
to
brackets2 stuff brackets1
base64
- decode
mark a visual area, then ":", you get
:'<,'>
make it this:
:'<,'>!python -m base64 -d
- encode?
:'<,'>!python -m base64
the whole file you say?
decode:
:%!python -m base64 -d
encode:
:%!python -m base64
I mean why ever leave vi?
No wrap
:set nowrap
Convert to unix file format
:set ff=unix
- unix LF only (each line ends with an LF character).
- dos CRLF (each line ends with two characters, CR then LF).
- mac CR only (each line ends with a CR character).
PIck up where you left off
might already be in /etc/vim/vimrc
" Uncomment the following to have Vim jump to the last position when
" reopening a file
if has("autocmd")
au BufReadPost * if line("'\"") > 0 && line("'\"") <= line("$")
\| exe "normal! g'\"" | endif
endif
Unicode /Special characters
- what am I looking at?
- move the cursor over the character and issue "ga"
For example:
Submitted Jan 12Â ga <Â > 160, Hex 00a0, Octal1240
Find replace:
:%s/\%xNN//g
for example:
:%s/\%xa0//g
Stupid mouse
mac being fancy and letting terminals know about my mouse.
cut that out wouldya?
file : ~/.vimrc
set mouse=
Also See
- http://www.geocities.com/volontir/ - tuns of good stuff.
- Learn TAGS , do it now. http://vimdoc.sourceforge.net/htmldoc/usr_29.html
