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dpavlin |
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#!/usr/bin/perl -w |
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use strict; |
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use Term::ReadKey qw(GetTerminalSize); |
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dpavlin |
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use Getopt::Long; |
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dpavlin |
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my $human = 0; |
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GetOptions( |
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'human!' => \$human, |
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); |
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my @lines; |
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my $max_size = 0; |
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my $max_sum = 0; |
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my $rest_len = 0; |
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my $sum = 0; |
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my @units = qw/b k M G/; |
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sub unit { |
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my $v = shift; |
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return $v unless $human; |
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my $o = 0; |
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while ( ( $v / 10000 ) >= 1 ) { |
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$o++; |
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$v /= 1024; |
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} |
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if ( $v >= 1 ) { |
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return sprintf("%d%s", $v, $units[$o]); |
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} elsif ( $v == 0 ) { |
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return 0; |
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} else { |
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return sprintf("%.1f%s", $v, $units[$o]); |
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} |
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} |
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while(<>) { |
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chomp; |
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if (/\s*([\d\.]+)\s+(.+)/) { |
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my ($size,$rest) = ($1,$2); |
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$sum += $size; |
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$max_size = $size if ($size > $max_size); |
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$max_sum = $sum if ($sum > $max_sum); |
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my $rl = length($rest); |
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$rest_len = $rl if ($rl > $rest_len); |
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push @lines, [ $size, $rest, $sum ]; |
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} else { |
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print STDERR "# $_\n"; |
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} |
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} |
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my $cols = eval { (Term::ReadKey::GetTerminalSize)[0] } || $ENV{COLS} || $ENV{COLUMNS} || 80; |
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# convert to chars |
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my $size_len = length($max_size); |
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my $sum_len = length($max_sum); |
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my $bar_size = $cols - $rest_len - $sum_len - $size_len - 4; |
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sub bar_size { |
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my ($v,$m) = @_; |
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return int($v * $bar_size / $m) |
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} |
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sub bar { |
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my ($v1,$m1,$v2,$m2) = @_; |
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my $b1 = bar_size($v1, $m1); |
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my $b2 = bar_size($v2, $m2); |
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my $bar = ''; |
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if ($b1 < $b2) { |
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$bar .= "O" x $b1; |
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$bar .= "-" x ($b2 - $b1); |
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} elsif ($b1 > $b2) { |
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$bar .= "*" x $b2; |
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$bar .= "-" x ($b1 - $b2); |
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} else { |
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$bar .= "O" x $b1; |
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} |
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} |
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foreach my $l (@lines) { |
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my ($size,$r,$tmpsum) = @{$l}; |
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# printf "%-50s\t[ + %-8d= %-8d ]\n",$r,$size,$tmpsum; |
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printf "%-${rest_len}s %${size_len}s %-${bar_size}s %${sum_len}s\n", |
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$r, unit($size), bar($size, $sum, $tmpsum, $sum), unit($tmpsum); |
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} |