scripts/timestamp.pl

   1 #!/usr/bin/perl
   2 #
   3 # Copyright (C) 2006 OpenWrt.org
   4 #
   5 # This is free software, licensed under the GNU General Public License v2.
   6 # See /LICENSE for more information.
   7 #
   8
   9 use strict;
  10
  11 sub get_ts($$) {
  12         my $path = shift;
  13         my $options = shift;
  14         my $ts = 0;
  15         my $fn = "";
  16         open FIND, "find $path -not -path \\*.svn\\* -and -not -path \\*CVS\\* $options 2>/dev/null |";
  17         while (<FIND>) {
  18                 chomp;
  19                 my $file = $_;
  20                 open FILE, "<$file";
  21                 my @stat = stat FILE;
  22                 close FILE;
  23                 if ($stat[9] > $ts) {
  24                         $ts = $stat[9];
  25                         $fn = $file;
  26                 }
  27         }
  28         close FIND;
  29         return ($ts, $fn);
  30 }
  31
  32 (@ARGV > 0) or push @ARGV, ".";
  33 my $ts = 0;
  34 my $n = ".";
  35 my %options;
  36 while (@ARGV > 0) {
  37         my $path = shift @ARGV;
  38         if ($path =~ /^-x/) {
  39                 my $str = shift @ARGV;
  40                 $options{"findopts"} .= " -and -not -path \\*".$str."\\*"
  41         } elsif ($path =~ /^-f/) {
  42                 $options{"findopts"} .= " -follow";
  43         } elsif ($path =~ /^-/) {
  44                 $options{$path} = 1;
  45         } else {
  46                 my ($tmp, $fname) = get_ts($path, $options{"findopts"});
  47                 if ($tmp > $ts) {
  48                         if ($options{'-f'}) {
  49                                 $n = $fname;
  50                         } else {
  51                                 $n = $path;
  52                         }
  53                         $ts = $tmp;
  54                 }
  55         }
  56 }
  57
  58 if ($options{"-p"}) {
  59         print "$n\n";
  60 } elsif ($options{"-t"}) {
  61         print "$ts\n";
  62 } else {
  63         print "$n\t$ts\n";
  64 }