September Morn Update

Task/Video-display-modes/Groovy/video-display-modes.groovy

@@ -0,0 +1,9 @@
+def invoke(String cmd) { println(cmd.execute().text) }
+
+invoke("xrandr -q")
+Thread.sleep(3000)
+
+invoke("xrandr -s 1024x768")
+Thread.sleep(3000)
+
+invoke("xrandr -s 1366x768")

Task/Video-display-modes/Julia/video-display-modes.julia

@@ -0,0 +1,9 @@
+if Base.Sys.islinux()
+    run(`xrandr -s 640x480`)
+    sleep(3)
+    run(`xrandr -s 1280x960`)
+else # windows
+    run(`mode CON: COLS=40 LINES=100`)
+    sleep(3)
+    run(`mode CON: COLS=100 LINES=50`)
+end

Task/Video-display-modes/Perl/video-display-modes.pl

@@ -0,0 +1,19 @@
+$| = 1;
+
+my @info = `xrandr -q`;
+$info[0] =~ /current (\d+) x (\d+)/;
+my $current = "$1x$2";
+
+my @resolutions;
+for (@info) {
+    push @resolutions, $1 if /^\s+(\d+x\d+)/
+}
+
+system("xrandr -s $resolutions[-1]");
+print "Current resolution $resolutions[-1].\n";
+for (reverse 1 .. 9) {
+    print "\rChanging back in $_ seconds...";
+    sleep 1;
+}
+system("xrandr -s $current");
+print "\rResolution returned to $current.\n";

Task/Video-display-modes/Python/video-display-modes.py

@@ -0,0 +1,8 @@
+import win32api
+import win32con
+import pywintypes
+devmode=pywintypes.DEVMODEType()
+devmode.PelsWidth=640
+devmode.PelsHeight=480
+devmode.Fields=win32con.DM_PELSWIDTH | win32con.DM_PELSHEIGHT
+win32api.ChangeDisplaySettings(devmode,0)