bin/imager.compress
changeset 137 dd11d1262b6c
parent 136 a5d087334439
child 138 790ac145bccc
--- a/bin/imager.compress	Sat Jul 25 17:16:13 2015 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,113 +0,0 @@
-#! /usr/bin/perl
-
-use 5.010;
-use strict;
-use warnings;
-use POSIX qw(strftime);
-use autodie qw(:all);
-use File::Basename;
-use File::Temp;
-use IO::Compress::Gzip qw(gzip $GzipError :level :strategy);
-use IO::Uncompress::Gunzip qw(gunzip $GunzipError);
-use Getopt::Long;
-use Pod::Usage;
-use File::Find;
-
-use constant THRESHOLD => 0.90;
-use constant LEVEL     => Z_BEST_SPEED;
-
-MAIN: {
-
-    GetOptions(
-        "h|help" => sub { pod2usage(-verbose => 1, -exit => 0) },
-        "m|man"  => sub {
-            pod2usage(
-                -verbose   => 2,
-                -exit      => 0,
-                -noperldoc => system("perldoc -V 1>/dev/null 2>&1")
-            );
-        },
-      )
-      and @ARGV
-      or pod2usage;
-
-    find(
-        sub {
-            say "dir $File::Find::name" and return if -d;
-            return if not (-f and /^[\da-f]{32}(?:\.x\.gz|\.gz)?$/);
-	    #print STDERR ".";
-
-            open(my $fh, $_);
-            my ($buffer, $zbuffer);
-            my ($tmp);
-
-            if (/\.gz$/) {
-		sysread $fh => $zbuffer, -s $fh;
-                gunzip(\$zbuffer => \$buffer)
-                  or die $GunzipError;
-
-                if (!length($buffer)) {
-                    warn "?? zero length after decompression: $_\n";
-                    return;
-                }
-                return if length($zbuffer) / length($buffer) < THRESHOLD;
-
-                $tmp = File::Temp->new(DIR => ".", TEMPLATE => ".tmp-XXXXXX");
-		syswrite $tmp => $buffer;
-                rename $tmp->filename => basename($_, ".gz");
-                say "uncompressed $_";
-                #print "+";
-
-            }
-            else {
-                sysread $fh => $buffer, -s $fh;
-                gzip(
-                    \$buffer  => \$zbuffer,
-                    -Minimal  => 1,
-                    -Level    => Z_BEST_SPEED,
-                    -Strategy => Z_FILTERED
-                ) or die $GzipError;
-                return if length($zbuffer) / length($buffer) >= THRESHOLD;
-
-                $tmp = File::Temp->new(DIR => ".", TEMPLATE => ".tmp-XXXXXX");
-                syswrite $tmp => $zbuffer;
-                rename $tmp->filename => "$_.gz";
-                say "  compressed $_";
-		#print STDERR "-";
-            }
-
-            close $tmp;
-            map { unlink } $tmp, $_;
-
-            return 0;
-
-        },
-        @ARGV
-    );
-
-    exit 0;
-
-}
-
-__END__
-
-=head1 NAME 
-
-    imager.compress - compress or decompress the blocks
-
-=head1 SYNOPSIS
-
-    imager.compress {dir}
-
-=head1 DESCRIPTION
-
-B<imager.compress> checks all files below the I<dir[s]>.
-
-If compression saves more then 10% it will save the compressed block,
-otherwise the uncompressed.
-
-=cut
-
-
-
-