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- #! /usr/bin/perl
- #
- # saveconfig
- #
- # Print out the configuration of the current /etc/rc?.d
- # symlink setup, in a format compatible to the
- # "update-rc.d" command line.
- #
- # Author: Miquel van Smoorenburg <miquels@cistron.nl>
- # Adjusted by Petter Reinholdtsen
- #
-
- sub usage {
- print STDERR "error: ", @_, "\n" if @_;
- print STDERR <<EOF;
- saveconfig [-h] [-s <archivedir>]
- -s save each scripts setting in directory <archivedir>
- -h show usage inforation
- EOF
- }
-
- my $archivedir = "";
-
- while($#ARGV >= 0 && ($_ = $ARGV[0]) =~ /^-/) {
- shift @ARGV;
- if (/^-s$/) { $archivedir = shift; usage("Missing -s argument"), exit 1 unless $archivedir; next }
- if (/^-h|--help$/) { &usage; }
- &usage("unknown option");
- }
-
- chdir "/etc/init.d";
-
- sub scan {
- my $dir = shift;
- local *DD;
- my $f;
- opendir DD, $dir;
- foreach $f (readdir DD) {
- next if ($f =~ m/^\./);
- push @{$dir{$dir}}, $f;
- }
- closedir DD;
- }
-
- foreach my $d (qw(S 0 1 2 3 4 5 6 7 8 9)) {
- scan("/etc/rc$d.d");
- }
- scan("/etc/init.d");
-
- foreach my $s (@{$dir{"/etc/init.d"}}) {
- my %start;
- my %stop;
- my $start = 0;
- my $stop = 0;
- foreach my $l (qw(S 0 1 2 3 4 5 6)) {
- #print "L: $l\n";
- foreach my $f (@{$dir{"/etc/rc$l.d"}}) {
- #print "F: $f\n";
- if ($f =~ m#^S(\d+)$s$#) {
- $start{$1} .= "$l ";
- $start = 1;
- }
- if ($f =~ m#^K(\d+)$s$#) {
- $stop{$1} .= "$l ";
- $stop = 1;
- }
- }
- }
- my $entry;
- if ($start || $stop) {
- $entry = "update-rc.d $s ";
- if ($start > 0) {
- foreach my $x (sort keys %start) {
- $entry .= "start $x " . $start{$x} . ". ";
- }
- }
- if ($stop > 0) {
- foreach my $x (sort keys %stop) {
- $entry .= "stop $x " . $stop{$x} . ". ";
- }
- }
- $entry .= "\n";
- if ($archivedir) {
- my $file = "$archivedir/$s";
- open(FILE, ">", "${file}.new") ||
- die "Unable to write to $file";
- print FILE $entry;
- close(FILE);
- rename "${file}.new", "$file";
- } else {
- print $entry;
- }
- }
- }
-