#!/usr/bin/perl

# http://perlmonks.org/?node_id=1186032

use strict;
use warnings;

$/ = "END\n";

while(<DATA>)
  {
  chomp;
  print s/\s+/ /gr =~ s/ ?START //r, "\n"
  }

__DATA__
START
TIME: 3
ALT: 3.1
TEMP: 4.3
END

START
TIME: 2.6
ALT: 8
TEMP: 1
END

START
TIME: 6.1
ALT: 7.2
COLOR: 43

STRENGTH: 7

TEMP: 9.3
END
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