On Tue, 3 Apr 2001, Frederick Bruckman wrote:

>   sed -e 's/^A/^[&/g' -e 's/^B/^[&/g' -e 's/^C/^[&/g' -e 's/^[/^[&/g'
>
> and
>
>   sed -e 's/^[^A/^A/g' -e 's/^[^B/^B/g' -e 's/^[^C/^C/g' -e 's/^[^[/^[/g'
>
> where "^A" signifies the actual character, typed as Ctrl-V Ctrl-A.
> Just a thought.

Actually that's very wrong. I'm getting sleepy. This would be more
like what I was thinking.

  sed -e 's/^A/^[1/g' -e 's/^B/^[2/g' -e 's/^C/^[3/g' -e 's/^[/^[^[/g'

vs

  sed -e 's/^[1/^A/g' -e 's/^[2/^B/g' -e 's/^[3/^C/g' -e 's/^[^[/^[/g'


Frederick