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#! /usr/bin/env perl
use strict;
use warnings;
use Data::Dumper;
# takes a path and returns an array of the path for each subdirectory
sub parseDirectory {
use File::Basename;
my $separator = '/';
my @result;
my @temp = split( $separator, dirname( shift ) );
my $curpath = '';
for ( my $i = 0; $i < scalar( @temp ); $i++ ) {
$curpath .= ($curpath ? $separator : '' ) . $temp[$i];
push @result, $curpath;
}
return \@result;
}
my $maxCount = shift;
die "Enter maximum entries to show\n" unless $maxCount;
my $entry = 0; # just a simple index into our data
my %data; # hash for all our data
my $files = (); # temporary array for our file list
while ( my $line = <> ) {
chomp $line;
if ( $line =~ m/^(\d+) bytes each:$/ ) { # new entry
$data{++$entry}{'size'} = $1;
$data{$entry}{'files'} = [];
} elsif ( $line =~ m/^\s*$/ ) { # blank line, so get summary
$data{$entry}{'total'} = $data{$entry}{'size'} * scalar( @{$data{$entry}{'files'}} );
} else { # this should be a file name
push @{ $data{$entry}{'files'} }, $line;
}
}
#print Dumper( \%data ) . "\n"; die;
foreach my $thisEntry ( sort{ $data{$b}{'total'} <=> $data{$a}{'total'} } keys %data ) {
last unless $maxCount--;
my $numCopies = scalar( @{$data{$entry}{'files'}} );
print "$data{$thisEntry}{total} bytes wasted in following " . $numCopies . " files of $data{$thisEntry}{size} bytes\n";
print "\t" . join( "\n\t", @{$data{$thisEntry}{'files'}} ) . "\n\n";
}
exit 1;
my %directories;
foreach my $thisEntry ( keys %data ) {
foreach my $file ( @{$data{$thisEntry}{'files'}} ) {
my $parsedDir = &parseDirectory( $file );
foreach my $thisDir( @$parsedDir ) {
$directories{$thisDir}{'size'} += $data{$thisEntry}{'size'} * 1;
push @{ $directories{$thisDir}{'files'} }, $file;
}
}
}
foreach my $thisEntry ( sort{ $data{$b}{'size'} <=> $data{$a}{'size'} } keys %directories ) {
last unless $maxCount--;
print "$directories{$thisEntry}{size}\t$thisEntry\n\t";
print join( "\n\t", @{ $directories{$thisEntry}{'files'} } ) . "\n\n";
}
1;