Matthew Szudzik wrote:
quoted text
> On Thu, Dec 17, 2009 at 07:47:18PM -0500, Brad Tilley wrote:
>   
>> I use ed in emergencies when /usr is inaccessible, but I'm a lot more
>> comfortable with vi. Will a static vi ever live in /bin? Helping someone
>> use ed remotely, who has never used ed, when I myself don't use it
>> regularly is always an adventure.
>>     
>
> If using ed is an "adventure", then you don't really know how to use vi.
>
> ed, sed, and vi are three of the most important Unix utilities, and
> there's no excuse for not learning all three.  That's because they all
> use the same commands and syntax.  If you know how to use one of them,
> then you know how to use the other two.
>
> Each is useful in a slightly different situation.  vi is for interactive
> editing.  ed and sed are most useful for writing editing scripts.  ed
> reads a file into a buffer for editing and can write those edits back to
> the file.  sed works as a filter, reading a stream from standard input
> line-by-line and editing each line before writing it to standard output.
> Short, one-line sed scripts are useful in command line pipes for
> translating the output of one program into the input of another program.
>
> Although most of the basic commands are the same in ed, sed, and vi,
> there are subtle differences.  After you have spent some time using ed
> and sed, I suggest that you ask yourself the follow questions to test
> your understanding of those differences: "When is the global command
> (that is, g) useful in ed and vi?  Why is the global command missing
> from sed?"
>
>
>   
I would like to learn to use sed, however, I did not find that the man 
page was sufficient as a tutorial. I was not able to find any sed 
tutorials that were consistent with OpenBSD's variation.

Does anyone know of any sed tutorials that work with OpenBSD's version?

-- 
A human being should be able to change a diaper, plan an invasion,
butcher a hog, conn a ship, design a building, write a sonnet, balance
accounts, build a wall, set a bone, comfort the dying, take orders,
give orders, cooperate, act alone, solve equations, analyze a new
problem, pitch manure, program a computer, cook a tasty meal, fight
efficiently, die gallantly. Specialization is for insects.
   -- Robert Heinlein