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|
#!/usr/bin/perl
#
# linuxapminfo.pl
#
# reports values of certain apm values
#
use strict;
if (scalar(@ARGV) != 1
|| ($ARGV[0] ne "-p" && $ARGV[0] ne "-t")
)
{
print "U\n";
print "\n";
print "$0 [-p] [-t]\n";
print " -p: Report Percent Left\n";
print " -t: Report Time Remaining (in minutes)\n";
print "\n";
exit(1);
} # end if not enough parameters
# read in info from apm
open 'apmfh', "/proc/apm";
my $apmline = <apmfh>;
close 'apmfh';
## get the value we want
# percent left
if ($ARGV[0] eq "-p")
{
if ($apmline =~ /(\d+)%/)
{
print "$1\n";
exit(0);
} # end if found percent left
} # end if percent left to check
# time remaining
elsif ($ARGV[0] eq "-t")
{
if ($apmline =~ /(\d+)\s+min$/)
{
print "$1\n";
exit(0);
} # end if found min left
elsif ($apmline =~ /(\w+)\s+\?$/)
{
print "U\n";
exit(0);
} # end if indef minutes left
} # end if time remaining
print "U\n";
exit (1);
|
