On Fri, Jan 25, 2002 at 03:13:22PM -0100, andrej hocevar wrote:
> Hello,
> can someone please tell me how to instruct sed to make an empty line
> before a certain pattern? For me, the same would be to make a new
> line every N lines.
> Thank you.
>
> e.g.
> <NEWLINE>
> Package: foo
> Pin: bar
> <NEWLINE>
> Package: ...
>
> etc ...
>
Contents of ~/addblank.sed :
--- cut here
/^Package:/ {
i \
}
--- cut here
Note that line 3 of the ~/addblank.sed is blank, but needed.
then
$ sed -f ~/addblank.sed < somewhere
should do the trick for you..
For futher information:
$ man sed
:-)
--
Karl E. Jørgensen
karl@jorgensen.com
www.karl.jorgensen.com
Please study http://www.rfc855.org
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