php/batstat.php

   1 #!/usr/bin/php
   2 <?php
   3 $refresh = 1;
   4 $battery = "/proc/acpi/battery/BAT1";
   5 $critical = "echo Shutting down... - Low Battery";
   6 $warning = "echo Warning!!! - Low Battery";
   7
   8 ///CHECK_BATT
   9 function check_battery($bat = "/proc/acpi/battery/BAT1", $critical = "echo Shutting down... - Low Battery", $warning = "echo Warning!!! - Low Battery") {
  10         $info = fopen($bat.'/info', 'r');
  11         while(!feof($info)) {
  12                 $line = fgets($info);
  13                 if(eregi('design capacity warning', $line)) {
  14                         $line = explode(' ', $line);
  15                         //print_r($line);
  16                         $warncap = $line[3];
  17                 }
  18                 if(eregi('design capacity low', $line)) {
  19                         $line = explode(' ', $line);
  20                         //print_r($line);
  21                         $lowcap = $line[7];
  22                 }
  23         }
  24         fclose($info);
  25
  26         $dischg = 'Chg';
  27         $state = fopen($bat.'/state', 'r');
  28         while(!feof($state)) {
  29                 $line = fgets($state);
  30                 if(eregi('discharging', $line)) {
  31                         $dischg = 'Dischg';
  32                 }
  33                 if(eregi('remaining capacity', $line)) {
  34                         $line = explode(' ', $line);
  35                         //print_r($line);
  36                         $remaincap = $line[7];
  37                 }
  38         }
  39         fclose($state);
  40
  41         echo("Remaining capacity $remaincap mAh (Critical: $lowcap mAh; Warning: $warncap mAh) $dischg        \r");
  42         if($dischg == 'Dischg') {
  43                 if($remaincap < $lowcap) { echo("\n"); system($critical); }
  44                 if($remaincap < $warncap) { echo("\n"); system($warning); }
  45         }
  46 }
  47
  48 ///LOOP
  49 echo("Watching battery $battery\n");
  50 while(1) {
  51         check_battery($battery, $critical, $warning);
  52         sleep($refresh);
  53 }