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29 lines
638 B
29 lines
638 B
#!/usr/bin/env perl
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use strict;
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use warnings;
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use 5.10.0;
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use Time::HiRes qw(sleep);
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use Term::ReadKey qw(GetTerminalSize);
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use File::Slurp;
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my @snowflakes = qw(❄ ❅ ❆);
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my ($width, $height) = GetTerminalSize();
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my $cpu_count = grep { /^processor\s+: [0-9]/ } read_file('/proc/cpuinfo');
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while (1) {
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my ($load) = (read_file('/proc/loadavg') =~ m/^([\d.]+)/);
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my $heaviness = int($load / $cpu_count);
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for (0 .. $heaviness) {
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my $flake = $snowflakes[ rand @snowflakes ];
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say ' ' x int(rand($width)) . $flake;
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}
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if ($heaviness > 0) {
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sleep (1 / $heaviness)
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} else {
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sleep .75;
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}
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}
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