If your files contain multiple headers just flag it and get on with it.... If not just exit after the initial run of TITLE tokens runs out
my $header = 0;
my $title = 0;
my $string = '';
while (<DATA>) {
$header = 1 if /^HEADER/;
$title = 1 if /^TITLE/ and $header;
if ( $header and $title ) {
if ( /^TITLE\s+(.*)/ ) {
$string .= $1;
} else {
$header = $title = 0;
$string =~ s/\s+/ /g;
print "$string\n";
$string = '';
}
}
}
__DATA__
HEADER METAL BINDING PROTEIN 31-AUG-98 1BSW
+
TITLE ACUTOLYSIN A FROM SNAKE VENOM OF AGKISTRODON ACUTUS AT PH
+
TITLE 2 7.5
+
COMPND MOL_ID: 1;
+
COMPND 2 MOLECULE: ACUTOLYSIN A;
TITLE NO 2 7.5
TITLE NO 2 7.5
HEADER METAL BINDING PROTEIN 31-AUG-98 1BSW
+
TITLE ACUTOLYSIN A FROM SNAKE VENOM OF AGKISTRODON ACUTUS AT PH
+
TITLE 1 2 3 4 5
+
COMPND MOL_ID: 1;
+
COMPND 2 MOLECULE: ACUTOLYSIN A;
TITLE NO 2 7.5
TITLE NO 2 7.5
cheers
tachyon
s&&rsenoyhcatreve&&&s&n.+t&"$'$`$\"$\&"&ee&&y&srve&&d&&print
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