/[scripts]/trunk/dwm-status.pl
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Contents of /trunk/dwm-status.pl

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Revision 32 - (show annotations)
Sun May 27 08:39:20 2007 UTC (15 years, 6 months ago) by dpavlin
File MIME type: text/plain
File size: 2367 byte(s)
calulate time correctly, hide battery when charged

1 #!/usr/bin/perl -w
2
3 # dwm-status.pl
4 #
5 # 05/26/07 23:08:31 CEST Dobrica Pavlinusic <dpavlin@rot13.org>
6
7 use strict;
8 use POSIX qw/strftime/;
9 use File::Slurp;
10 use Time::HiRes;
11 use Data::Dump qw/dump/;
12
13 my $dt = 3;
14 my $acpi_every = 10;
15
16 my $debug = shift @ARGV;
17
18 $|=1;
19
20 sub proc2hash {
21 my $f = shift;
22 open(my $fh, '<', $f) || die "can't open $f: $!";
23 my $h;
24 while(<$fh>) {
25 chomp;
26 my ( $key, $value ) = split(/:\s+/, $_, 2);
27 $value =~ s/ m[VW]h*$//;
28 $h->{$key} = $value;
29 }
30 warn dump( $h ) if ( $debug );
31 return $h;
32 }
33
34 sub unit {
35 my $v = shift;
36
37 warn "unit( $v )\n" if ($debug);
38
39 my @units = qw/b k m g/;
40 my $o = 0;
41
42 while ( ( $v / 1024 ) >= 1 ) {
43 $o++;
44 $v /= 1024;
45 }
46
47 if ( $v >= 1 ) {
48 return sprintf("%d%s/s", $v, $units[$o]);
49 } else {
50 return sprintf("%.1f%s/s", $v, $units[$o]);
51 }
52 }
53
54 my ( $lrx, $ltx ) = ( 0, 0 );
55 my $bat;
56
57 my $i = 0;
58
59 while ( 1 ) {
60 my $s = strftime("%Y-%m-%d %H:%M:%S", localtime());
61
62 if ( $i % $acpi_every == 0 ) {
63
64 my $state = proc2hash( '/proc/acpi/battery/BAT0/state' );
65
66 if ( $state->{'present rate'} != 0 ) {
67 my $info = proc2hash( '/proc/acpi/battery/BAT0/info' );
68
69 my $pcnt = $state->{'remaining capacity'} / $info->{'design capacity'};
70
71 my $time = $state->{'remaining capacity'} / ( $state->{'present rate'} );
72
73 warn "time = $time\n" if ($debug);
74
75 my $hh = int( $time );
76 my $mm = int( ( $time - $hh ) * 60 );
77 my $ss = ( $time * 3600 ) % 60;
78
79 $bat = sprintf("%s %2d%% %02d:%02d:%02d %3.1fW!| ",
80 substr($state->{'charging state'},0,1),
81 $pcnt * 100, $hh, $mm, $ss,
82 $state->{'present rate'} / 1000
83 );
84
85 } else {
86 $bat = '';
87 }
88 } else {
89 $bat =~ s/!(\|\s)$/ $1/;
90 }
91 $i++;
92
93 my $load = read_file('/proc/loadavg');
94 chomp( $load );
95 $load =~ s!\s\d+/\d+.*!!;
96
97 my $temp = read_file('/proc/acpi/thermal_zone/THM0/temperature');
98 chomp( $temp );
99 $temp =~ s!^.*:\s+!!;
100
101 my $net = read_file('/proc/net/dev');
102 my ( $rx, $tx ) = ( 0,0 );
103
104 foreach ( split(/\n/, $net) ) {
105 s/^\s+//;
106 my @n = split(/\s+/, $_, 17);
107 next unless ( $n[0] =~ m!(eth\d|ath\d):! );
108
109 warn dump( @n ) if ($debug);
110 $rx += $n[1];
111 $tx += $n[9];
112 }
113 warn "rx: $rx tx: $tx\n" if ($debug);
114
115 my $r = ( $rx - $lrx ) / $dt;
116 my $t = ( $tx - $ltx ) / $dt;
117 ( $lrx, $ltx ) = ( $rx, $tx );
118
119 printf "%s | %s |%6s >> %-6s| %s%s\n", $s, $load, unit( $r ), unit( $t ), $bat, $temp;
120
121 sleep $dt;
122 }
123

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