# feed this into perl
	eval 'exec perl -S $0 ${1+"$@"}'
		if $running_under_some_shell;
# mhactive
# Used to create an imitation "active" file for MH mail folders so that
# trn can read them.  To use this, create a news source like the following
# in your .trn/access file and reference the mail ID in a group:
#
# [mail]
# Active File = %`mhactive ~/Mail/active`
# Spool Dir = ~/Mail
# Active Times = none
#
# [group 2]
# ID = mail
# Newsrc = ~/Mail/mh.newsrc
#
# Adapted from Joe Edelman, 12 May 1995 by Raphael Manfredi

open(TTY, '>/dev/tty');
select((select(TTY), $| = 1)[0]);
print TTY "Building MH active file...";

($active) = @ARGV;
$active =~ s/^~/$ENV{'HOME'}/;
die "Usage: mhactive active-file\n" unless $active;

open(FILE, ">$active") || die "mhactive: can't create $active: $!\n";

foreach $folder (`folders -fast`) {
	chop($folder);
	opendir FOLDER, "$ENV{'HOME'}/Mail/$folder";
	$first = 100000; $last = 0;
  MSG:
	foreach (readdir FOLDER) {
		/^\d*$/ or next MSG;
		$first = $_ if $_ < $first;
		$last = $_ if $_ > $last;
	}
	next if $last == 0;
	($group = $folder) =~ s|/|.|g;
	print FILE "$group $last $first n\n";
}

close FILE;
print "$active\n";
print TTY "Done\n";