Adds xres

diff --git a/xres b/xres
new file mode 100755 (executable)
index 0000000..200753d
--- /dev/null
+++ b/xres
@@ -0,0 +1,31 @@
+#!/bin/bash
+#
+# Wrapper around xrandr to set screen resolution.
+#
+
+# Parameters
+BASENAME="`basename $0`"
+X="$1"
+Y="$2"
+
+# Check
+if [ -z "$Y" ]; then
+  echo "usage: $BASENAME <x-res> <y-res>"
+  exit 1
+elif ! which cvt &> /dev/null; then
+  echo "please install cvt from xserver-xorg-core"
+  exit 1
+elif ! which xrandr &> /dev/null; then
+  echo "please install xrandr from x11-xserver-utils"
+  exit 1
+fi
+
+# Get modeline and interface
+MODELINE="`cvt $X $Y | grep -v '^#'` | sed -e 's/^Modeline //'"
+INTERFACE="`xrandr | grep " connected" | cut -d ' ' -f 1 | head`"
+NAME="`echo $MODELINE  | cut -d ' ' -f 1 | sed -e 's/"//g'`"
+
+# Apply
+xrandr --newmode $MODELINE
+xrandr --addmode $INTERFACE $NAME
+xrandr --output  $INTERFACE --mode $NAME