openwrt/scripts/timestamp.pl

   1 #!/usr/bin/perl
   2 use strict;
   3
   4 sub get_ts($$) {
   5         my $path = shift;
   6         my $options = shift;
   7         my $ts = 0;
   8         my $fn = "";
   9         open FIND, "find $path -not -path \\*.svn\\* -and -not -path \\*CVS\\* $options 2>/dev/null |";
  10         while (<FIND>) {
  11                 chomp;
  12                 my $file = $_;
  13                 open FILE, "<$file";
  14                 my @stat = stat FILE;
  15                 close FILE;
  16                 if ($stat[9] > $ts) {
  17                         $ts = $stat[9];
  18                         $fn = $file;
  19                 }
  20         }
  21         close FIND;
  22         return ($ts, $fn);
  23 }
  24
  25 (@ARGV > 0) or push @ARGV, ".";
  26 my $ts = 0;
  27 my $n = ".";
  28 my %options;
  29 while (@ARGV > 0) {
  30         my $path = shift @ARGV;
  31         if ($path =~ /^-x/) {
  32                 my $str = shift @ARGV;
  33                 $options{"-x"} .= " -and -not -path \\*".$str."\\*"
  34         } elsif ($path =~ /^-/) {
  35                 $options{$path} = 1;
  36         } else {
  37                 my ($tmp, $fname) = get_ts($path, $options{"-x"});
  38                 if ($tmp > $ts) {
  39                         if ($options{'-f'}) {
  40                                 $n = $fname;
  41                         } else {
  42                                 $n = $path;
  43                         }
  44                         $ts = $tmp;
  45                 }
  46         }
  47 }
  48
  49 if ($options{"-p"}) {
  50         print "$n\n";
  51 } elsif ($options{"-t"}) {
  52         print "$ts\n";
  53 } else {
  54         print "$n\t$ts\n";
  55 }