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get list of cpu flags for quick checking
use v5.10;
sub cpuinfo
{
my $flags;
open my $cpuinfo, "<", "/proc/cpuinfo" or die "failed to open /proc/cpuinfo: $!\n";
while (<$cpuinfo>)
{
if (/flags/)
{
s/^flags\s+:\s+//;
for my $f (split /\s+/)
{
$flags->{$f} = 1;
}
}
}
close $cpuinfo;
return $flags;
}
say for (sort keys %{&cpuinfo});
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