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 $fn = "";
   9         -d "$path" and $path .= "/*";
  10         open FIND, "find $path -not -path \\*.svn\\* -and -not -path \\*CVS\\* $options 2>/dev/null |";
  11         while (<FIND>) {
  12                 chomp;
  13                 my $file = $_;
  14                 open FILE, "<$file";
  15                 my @stat = stat FILE;
  16                 close FILE;
  17                 if ($stat[9] > $ts) {
  18                         $ts = $stat[9];
  19                         $fn = $file;
  20                 }
  21         }
  22         close FIND;
  23         return ($ts, $fn);
  24 }
  25
  26 (@ARGV > 0) or push @ARGV, ".";
  27 my $ts = 0;
  28 my $n = ".";
  29 my %options;
  30 while (@ARGV > 0) {
  31         my $path = shift @ARGV;
  32         if ($path =~ /^-x/) {
  33                 my $str = shift @ARGV;
  34                 $options{"-x"} .= " -and -not -path \\*".$str."\\*"
  35         } elsif ($path =~ /^-/) {
  36                 $options{$path} = 1;
  37         } else {
  38                 my ($tmp, $fname) = get_ts($path, $options{"-x"});
  39                 if ($tmp > $ts) {
  40                         if ($options{'-f'}) {
  41                                 $n = $fname;
  42                         } else {
  43                                 $n = $path;
  44                         }
  45                         $ts = $tmp;
  46                 }
  47         }
  48 }
  49
  50 if ($options{"-p"}) {
  51         print "$n\n";
  52 } elsif ($options{"-t"}) {
  53         print "$ts\n";
  54 } else {
  55         print "$n\t$ts\n";
  56 }