#!/usr/bin/perl -l

# http://perlmonks.org/?node_id=1185742

use strict;
use warnings;

$/ = 'Dumpdata example
-----------------
';

while(<DATA>)
  {
  chomp;
  my @answer = map s/\s+/ /gr =~ s/\s+\z//r =~ s/.*/"$&"/sr,
    /^Warning (.*)/gm,
    /^\s*\w+:\s*(\S.*(?:\n(?!\s*\w+:)\s*\S.*)*)/gm;
  @answer and print join '; ', @answer;
  }

__DATA__

Dumpdata example
-----------------

Warning bad news here
    Detail:              Some really nice infos these are
    Info:              This is a problem
                       but there is a solution
    Spec:              2nd of 4


Dumpdata example
-----------------
Warning test
    Detail: foo
            bar
    Info:   quz
            baz
    Spec:   blah