RosettaCodeData/Task/Video-display-modes/Perl-6/video-display-modes.pl6
2018-06-22 20:57:24 +00:00

16 lines
421 B
Raku

my @info = QX('xrandr -q').lines;
@info[0] ~~ /<?after 'current '>(\d+) ' x ' (\d+)/;
my $current = "$0x$1";
my @resolutions;
@resolutions.push: $0 if $_ ~~ /^\s+(\d+'x'\d+)/ for @info;
QX("xrandr -s @resolutions[*-1]");
say "Current resolution {@resolutions[*-1]}.";
for 9 ... 1 {
print "\rChanging back in $_ seconds...";
sleep 1;
}
QX("xrandr -s $current");
say "\rResolution returned to {$current}. ";