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#!/usr/local/bin/perl
#
# create message-id / in-reply-to database
#
# $Id: mid-index,v 1.5 1998/04/13 13:08:47 wosch Exp $
sub usage { die "usage: mid-index name < filelist"; }
sub id {
local($name, @files) = @_;
local($bytes, $bytes2, $headlen, $file);
local($counter);
local($from,$from2);
$counter = 0;
open(MID, "| sort -u -o $name.mid") || die "open sort > $name.mid: $!\n";
open(IRT, "| sort -u -o $name.irt") || die "open sort > $name.irt: $!\n";
while(<>) {
local($/) = "\n\n";
chop;
$file = $_;
open(R, $file) || do {
warn "open $file:$!\n";
next;
};
$bytes = 0;
while(<R>) {
$headlen = length($_);
$from2 = substr($_, 0, 6);
$from = substr($from2, 0, 5);
# warn "xxx" . $from . "yyy\n";
if ($from eq "From " || $from2 eq "\nFrom ") {
if ($from eq "From ") {
$bytes2 = $bytes;
} else {
# One bytes more for "\nFrom "
$bytes2 = $bytes + 1;
}
$counter++;
s/\n[ \t]+/ /g;
if ($debug && $counter % $speedstep == 0) {
print STDERR sprintf("\r%7d", $counter);
}
foreach (split("\n")) {
if (/^Message-id:\s+\<([^$idsep]+)/oi) {
print MID "$1 $file $bytes2\n";
} elsif (/^Resent-Message-id:\s+\<([^$idsep]+)/oi) {
print MID "$1 $file $bytes2\n";
} elsif (/^References:\s+\<([^$idsep]+)/oi) {
print IRT "$1 $file $bytes2\n";
} elsif (/^In-Reply-to:\s+[^<]*\<([^$idsep]+)/oi) {
print IRT "$1 $file $bytes2\n";
}
}
}
$bytes += $headlen;
}
close R;
}
close MID || warn "close: MID\n";
close IRT || warn "close: IRT\n";
print STDERR sprintf("\r%7d", $counter)
if $debug && $counter % $speedstep != 0;
print STDERR "\n" if $debug;
}
$idsep = '>';
$idsep = '>@\s';
$debug = 0;
$speedstep = 100;
&usage if $#ARGV != 0;
$name = $ARGV[0]; shift @ARGV;
&id($name);
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