138 lines
3.0 KiB
Perl
Executable File
138 lines
3.0 KiB
Perl
Executable File
#!@@@perl@@@ -w
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#
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# $Id: agestat.pl,v 1.10 2015-08-25 16:00:39 hjp Exp $
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#
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use strict;
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use File::stat;
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use File::Find;
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use Getopt::Long;
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sub usage {
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print STDERR "Usage: $0 [-atime|-mtime] [-scale=(k|M)] [-buckets=(cal|log2)]\n";
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exit 1;
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}
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my $now = time();
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my @bucket_max;
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my %opts = (buckets => 'log2');
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GetOptions(\%opts, "atime", "mtime", "scale=s", "buckets=s") or usage();
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my $scale;
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if (!defined($opts{scale})) {
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$scale = 1;
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} elsif ($opts{scale} eq 'k') {
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$scale = 1024;
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} elsif ($opts{scale} eq 'M') {
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$scale = 1024*1024;
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} else {
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usage();
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}
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if ($opts{buckets} eq "log2") {
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for (my ($b, $s) = (0, 1); $b < 32; $b++, $s *= 2) {
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$bucket_max[$b] = $s;
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}
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} elsif ($opts{buckets} eq "cal") {
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@bucket_max = (
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3600,
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86400,
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7 * 86400,
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30 * 86400,
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182 * 86400,
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1 * 365.2422 * 86400,
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2 * 365.2422 * 86400,
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3 * 365.2422 * 86400,
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4 * 365.2422 * 86400,
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5 * 365.2422 * 86400,
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);
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} elsif ($opts{buckets} =~ /^days=(\d+)/) {
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@bucket_max = map $_ * 86400, (1 .. $1);
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} else {
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usage();
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}
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my @hist;
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sub wanted {
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my $st = lstat($_);
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return unless $st;
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my $age = $now - (
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$opts{atime} ? $st->atime :
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$opts{mtime} ? $st->mtime :
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(! -d && $st->atime > $st->mtime ? $st->atime
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: $st->mtime ));
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my $b = 0;
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while ($b <= $#bucket_max && $age > $bucket_max[$b]) { $b++ };
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#print $File::Find::name, ": $age sec, ", $st->size, " bytes, ", $st->nlink, " links, bucket $b\n";
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$hist[$b] += $st->size / $st->nlink;
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}
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sub time2str {
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my ($t) = (@_);
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if ($t < 60) {
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return sprintf ("%6.1f s", $t);
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} elsif ($t < 3600) {
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return sprintf ("%6.1f m", $t/60);
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} elsif ($t < 3600 * 24) {
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return sprintf ("%6.1f h", $t/3600);
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} elsif ($t < 3600 * 24 * 365.2422) {
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return sprintf ("%6.1f d", $t/(3600*24));
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} else {
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return sprintf ("%6.1f y", $t/(3600*24*365.2422));
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}
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}
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if (@ARGV == 0) { push (@ARGV, "."); }
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find(\&wanted, @ARGV);
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print "\n\n";
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my $sum = 0;
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for (my $i = 0; $i <= $#hist; $i++) {
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$sum += ($hist[$i] || 0);
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}
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my $c = 0;
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for (my $i = 0; $i <= $#hist; $i++) {
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my $h = ($hist[$i] || 0);
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$c += $h;
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printf("%2d\t%s\t%12.0f\t%5.1f\t%12.0f\t%5.1f\n",
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$i,
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$i <= $#bucket_max ? time2str($bucket_max[$i]) : "infinity",
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$h/$scale, $h * 100 / $sum, $c/$scale, $c * 100 / $sum);
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}
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# $Log: agestat.pl,v $
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# Revision 1.10 2015-08-25 16:00:39 hjp
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# New bucket type days
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#
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# Revision 1.9 2012-10-22 09:20:05 hjp
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# fixed usage message
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#
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# Revision 1.8 2007-02-09 15:36:37 hjp
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# Automatically create GNUmakerules and GNUmakevars if they don't exist.
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# Print usage if unknown option is given.
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#
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# Revision 1.7 2006/02/17 13:50:23 hjp
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# Fixed error when oldest file was older than oldest bucket.
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# Realigned columns.
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#
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# Revision 1.6 2006/02/17 13:31:41 hjp
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# Added option --buckets.
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#
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# Revision 1.5 2002/03/18 20:33:46 hjp
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# Ignore atime for directories
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#
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# Revision 1.4 2001/01/19 19:06:01 hjp
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# Removed superfluous "total" line.
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# Fixed usage message.
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#
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