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#!/usr/bin/perl -w |
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# dwm-status.pl |
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# |
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# 05/26/07 23:08:31 CEST Dobrica Pavlinusic <dpavlin@rot13.org> |
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use strict; |
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use POSIX qw/strftime/; |
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use File::Slurp; |
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use Time::HiRes; |
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use Data::Dump qw/dump/; |
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my $dt = 3; |
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my $acpi_every = 10; |
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my $disk_blk_size = 512; |
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my $debug = shift @ARGV; |
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my $awesome = 0; |
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my $dzen = 1; |
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$|=1; |
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sub proc2hash { |
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my $f = shift; |
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return unless -f $f; |
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open(my $fh, '<', $f) || die "can't open $f: $!"; |
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my $h; |
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while(<$fh>) { |
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chomp; |
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my ( $key, $value ) = split(/:\s+/, $_, 2); |
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$value =~ s/ m[AVW]h*$//; |
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$h->{$key} = $value; |
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} |
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warn "$f ",dump( $h ) if ( $debug ); |
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return $h; |
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} |
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my $proc_acpi_battery; |
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sub find_proc_acpi { |
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my ( $path, $check ) = @_; |
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if ( -e "/proc/acpi/$path" ) { |
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opendir(my $items, "/proc/acpi/$path") || die "can't open /proc/acpi/$path: $!"; |
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foreach my $item ( readdir( $items ) ) { |
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$check->( $item ) && last; |
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} |
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} |
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} |
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my $proc_acpi_thermal_zone_temperature; |
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find_proc_acpi('thermal_zone', sub { |
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my $thm = shift; |
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return if ( ! -e "/proc/acpi/thermal_zone/$thm/temperature" ); |
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warn "# using thermal zone $thm\n" if ( $debug ); |
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$proc_acpi_thermal_zone_temperature = "/proc/acpi/thermal_zone/$thm/temperature"; |
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}); |
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find_proc_acpi('battery', sub { |
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my $bat = shift; |
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return unless $bat =~ /\w+/; |
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warn "# testing battery $bat\n" if ( $debug ); |
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if ( proc2hash( "/proc/acpi/battery/$bat/info" )->{present} eq 'yes' ) { |
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$proc_acpi_battery = "/proc/acpi/battery/$bat"; |
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warn "using $proc_acpi_battery to monitor battery\n"; |
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} |
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}); |
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my $unit_colors = { |
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'b' => '#ff0000', |
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'k' => '#ffff00', |
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'M' => '#00ff00', |
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'G' => '#0000ff', |
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}; |
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sub unit { |
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my ($v,$align) = @_; |
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$align ||= ''; |
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warn "unit( $v )\n" if ($debug); |
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my @units = qw/b k M G/; |
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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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my $unit = $units[$o]; |
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my $out = ''; |
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$out .= '^fg(' . $unit_colors->{$unit} . ')'; |
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if ( $v >= 1 ) { |
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$out .= sprintf("%${align}5d",$v); |
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} elsif ( $v == 0 ) { |
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$out = ' ' x 5; |
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} else { |
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$out .= sprintf("%${align}5.1f", $v); |
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} |
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$unit = '^fg(#444444)' . $unit if $dzen; |
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$out =~ s/\s(\s*)$/$unit$1/ unless $out =~ m/\s{5}/; |
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$out .= '^fg(#ffffff)' if $dzen; |
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return $out; |
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} |
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my ( $lrx, $ltx ) = ( 0, 0 ); |
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my ( $ld_r, $ld_w ) = ( 0, 0 ); |
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my $bat = ''; |
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my $i = 0; |
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my $sys_fs = '/sys/class/power_supply/BAT0'; |
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while ( 1 ) { |
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my $s = strftime("%Y-%m-%d %H:%M:%S", localtime()); |
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if ( $i % $acpi_every == 0 ) { |
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my $sysfs_path = glob "$sys_fs/*_full"; |
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if ( $sysfs_path ) { |
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my $full = read_file( $sysfs_path ); |
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$sysfs_path =~ s/_full/_now/; |
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my $now = read_file( $sysfs_path ); |
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$bat = sprintf("%2d%%", $now * 100 / $full ); |
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} elsif ( $proc_acpi_battery ) { |
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my $state = proc2hash( "$proc_acpi_battery/state" ); |
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if ( $state->{'present rate'} =~ m/^\d+$/ && $state->{'present rate'} != 0 ) { |
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my $info = proc2hash( "$proc_acpi_battery/info" ); |
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my $pcnt = $state->{'remaining capacity'} / $info->{'design capacity'}; |
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my $time = $state->{'remaining capacity'} / ( $state->{'present rate'} ); |
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$time = ( $info->{'design capacity'} - $state->{'remaining capacity'} ) / $state->{'present rate'} if ( $state->{'charging state'} eq 'charging' ); |
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warn "time = $time\n" if ($debug); |
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my $hh = int( $time ); |
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my $mm = int( ( $time - $hh ) * 60 ); |
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my $ss = ( $time * 3600 ) % 60; |
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$bat = sprintf("%s %2d%% %02d:%02d:%02d %3.1fW!", |
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substr($state->{'charging state'},0,1), |
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$pcnt * 100, $hh, $mm, $ss, |
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$state->{'present rate'} / 1000 |
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); |
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} |
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} |
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} |
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$i++; |
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my $load = read_file('/proc/loadavg'); |
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chomp( $load ); |
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$load =~ s!\s\d+/\d+.*!!; |
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my $temp = ''; |
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if ( $proc_acpi_thermal_zone_temperature ) { |
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$temp = read_file( $proc_acpi_thermal_zone_temperature ); |
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chomp( $temp ); |
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$temp =~ s!^.*:\s+!!; |
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} |
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my $net = read_file('/proc/net/dev'); |
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my ( $rx, $tx ) = ( 0,0 ); |
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foreach ( split(/\n/, $net) ) { |
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s/^\s+//; |
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s/:\s*/ /; |
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my @n = split(/\s+/, $_, 17); |
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#next unless ( $n[0] =~ s!(eth\d|ath\d):!! ); |
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next unless $n[1] =~ m{^\d+$}; |
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warn dump( @n ) if ($debug); |
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$rx += $n[1]; |
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$tx += $n[9]; |
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} |
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warn "rx: $rx tx: $tx\n" if ($debug); |
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my $net_rx = ( $rx - $lrx ) / $dt; |
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my $net_tx = ( $tx - $ltx ) / $dt; |
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( $lrx, $ltx ) = ( $rx, $tx ); |
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my $disk = read_file('/proc/diskstats'); |
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my ( $d_r, $d_w ) = ( 0,0 ); |
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foreach ( split(/\n/, $disk) ) { |
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s/^\s+//; |
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my @d = split(/\s+/, $_, 17); |
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next unless ( $d[2] =~ m/^[sh]d\w$/ ); |
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warn dump( @d ) if ($debug); |
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$d_r += $d[5] * $disk_blk_size; |
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$d_w += $d[7] * $disk_blk_size; |
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} |
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warn "d_r: $d_r d_w: $d_w\n" if ($debug); |
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my $d_read = ( $d_r - $ld_r ) / $dt; |
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my $d_write = ( $d_w - $ld_w ) / $dt; |
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( $ld_r, $ld_w ) = ( $d_r, $d_w ); |
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my $out = join( $dzen ? ' ^fg(#333333)|^fg(#ffffff) ' : ' | ', |
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$load, |
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unit( $d_read ) . ' D ' . unit( $d_write, '-' ), |
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unit( $net_rx ) . ' > ' . unit( $net_tx, '-' ), |
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$bat, $temp, |
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$s, |
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); |
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print "$out\n"; |
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if ( $awesome ) { |
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open(my $fh, '|-', 'awesome-client') || die "can't pipe to awesome-client: $!"; |
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print $fh |
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$awesome == 3 ? qq{mytextbox.text="$out"\n} |
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: "0 widget_tell mystatusbar dwm-status text $out\n" |
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; |
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close($fh); |
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} |
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sleep $dt; |
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} |
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