On Fri, Aug 30, 2013 at 10:50:31AM +0200, Timothy Murphy wrote:
> that will print out a whole paragraph -
> defined as the section between two blank lines -
> containing a given word or phrase?
>
> Such as the above 4 lines.
> If not, can anyone suggest a simple script that will do this?
The perl one-liner below demonstrates this. Setting the $/ (input record
separator) var to the empty string causes perl to read in "lines" a
paragraph at a time.
$ cat /tmp/text
this is a
green paragraph
this is a
red
paragraph
this
is another
green
paragraph
Rhubarb.
$ perl -e'$/=""; while (<>) { print if /green/ }' /tmp/text
this is a
green paragraph
this
is another
green
paragraph
$
--
"Strange women lying in ponds distributing swords is no basis for a system
of government. Supreme executive power derives from a mandate from the
masses, not from some farcical aquatic ceremony."
-- Dennis, "Monty Python and the Holy Grail"
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