Hi Gary,
Thanks very much for your informative reply. I'll attempt a similar
strategy.
--
Mun
On Mon, Feb 04, 2008 at 04:55 PM PST, Gary Johnson wrote:
GJ> On 2008-02-03, Mun Johl <[EMAIL PROTECTED]> wrote:
GJ> > (Sorry, I didn't provide a sufficient subject on the original post.)
GJ> >
GJ> > Hi,
GJ> >
GJ> > I was wondering if there is a way to highlight a mulit-line regex in the
GJ> > body of a message? I am trying to use "color body ..." to highlight a
GJ> > multi-line description in our bug tracking tool but I'm not certain if
GJ> > mutt's highlighting feature even supports such an option. And I didn't
GJ> > see anything one way or the other in the manual.
GJ>
GJ> What I have done to achieve this is to create a display_filter using
GJ> Perl to add ANSI color escape sequences around the text I wanted to
GJ> highlight. I also add "set allow_ansi" in my muttrc so that mutt
GJ> will pass these escape sequences through to the terminal. I use
GJ> message-hooks to enable the various display_filters. Here's part of
GJ> one display_filter.
GJ>
GJ> perl -00 -pe 's/^(IN THIS ISSUE)/\e[1m\1\e[0m/s;
GJ> s/^(LOCAL NEWS)/\e[1m\1\e[0m/s;
GJ> if (m/^((\(.*\))?[^a-z]*?[a-z]?[^a-z]*?)(\s--\s.*)/s) {
GJ> $heading = $1;
GJ> $part2 = $3; # Save this for printing
later.
GJ> $heading =~ s/^/\e[1m/s; # Turn on highlighting
at start of heading.
GJ> $heading =~ s/$/\e[0m/s; # Turn off highlighting
at end of heading.
GJ> $heading =~ s/\n/\n\e[1m/gs; # Turn on highlighting
at start of every line within heading.
GJ> $_ = $heading . $part2;
GJ> }'
GJ>
GJ> This highlights a few section headings in a newsletter, including
GJ> in-line headings from the start of a paragraph to the first
GJ> occurrence of "--", provided there is no more than one lower-case
GJ> letter in that interval.
GJ>
GJ> I wrote this when I had built mutt with slang. It seemed at the
GJ> time that either mutt or slang turned off highlighting at the end of
GJ> every line, so I had to turn it on at the start of every line within
GJ> the highlighted region. I now use ncurses instead of slang, and the
GJ> script still works, but I haven't checked to see whether turning on
GJ> highlighting at the start of every highlighted line is still
GJ> necessary.
GJ>
GJ> HTH,
GJ> Gary
