View source for Vi Notes

===edit binary file in vi===
 :%!xxd

===tai64nlocal file in vi===
 :%!tai64nlocal

===insert today's date===

 :r !date

===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

=== turn off colour===

 :syntax off


===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

== 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).

== Also See ==

* http://www.geocities.com/volontir/ - tuns of good stuff.

* Learn TAGS , do it now. http://vimdoc.sourceforge.net/htmldoc/usr_29.html

* [http://www.moolenaar.net/habits.html Seven habits of effective text editing]