On Thu, Jul 15, 2004 at 06:49:20AM -0700, Sean wrote:
> hi all,
>
> i have a file like;
>
> # one 123
>
> and i would like to APPEND a # at the beginning of each line
'append' means to add to the end. It is impossible to append to the
beginning of something.
> which is not started with a # . how can i do it with vi or ed, so far,
> i 've tried;
>
> :%s/^[a-z]:[0-9]/#/g
>
> but this would CHANGE the first character of each line to a hash, pls
> help.
:%g/^[^#]/s/^/#/
Translation:
% for every line in the file
g process those that match the following RE
/^[^#]/ the line starts with something other than '#'
s substitute
/^/ the beginning of the line
#/ with a '#'
--
"Today I am more than ever frightened. I wish it would dawn upon engineers
that, in order to be an engineer, it is not enough to be an engineer."
-- Jose Ortega y Gasset
Rick Pasotto [EMAIL PROTECTED] http://www.niof.net
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