* rename bin/ to '.bin/'

[lab.git] / .bin / wake

diff --git a/.bin/wake b/.bin/wake
new file mode 100755 (executable)
index 0000000..538e100
--- /dev/null
+++ b/.bin/wake
@@ -0,0 +1,53 @@
+#!/usr/bin/perl
+
+use Cwd qw( realpath );
+use File::Basename qw( fileparse );
+
+@cfg = ('.wake', ( (fileparse( realpath($0) ))[1] ) . '.wake');
+$mac = {};
+
+$x = '[0-9a-fA-F]';
+$macre = "$x$x:$x$x:$x$x:$x$x:$x$x:$x$x";
+$ipre = "\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}";
+
+foreach my $cfg (@cfg) {
+       open(CFG, $cfg);
+       while (<CFG>) {
+               next if /^\s*#/;
+               next if /^\s*$/;
+               
+               chomp;
+               my($host, $hw, $ip) = split;
+               push @{$mac->{lc($host)}}, { MAC => $hw, IP => $ip };
+       }
+}
+
+if (@ARGV) {
+       foreach $host (@ARGV) {
+               if ($host =~ /$macre/) {
+                       print qx(wakeonlan $host);
+               }
+               elsif (@physical = @{$mac->{lc($host)}}) {
+                   foreach my $mac (@physical) {
+                       if ($mac->{IP}) {
+                           print qx(wakeonlan -i $mac->{IP} $mac->{MAC});
+                       }
+                       else {
+                           print qx(wakeonlan $mac->{MAC});
+                       }
+                   }
+               }
+               else {
+                       print lc($host) . ": no such host in the list.\n";
+               }
+       }
+}
+else {
+       foreach $host (sort keys %$mac) {
+           $physical = $mac->{lc($host)};
+           foreach my $mac (@$physical) {
+               print "$host -> $mac->{MAC} -> $mac->{IP}\n";
+           }
+       }
+}
+