Few tweaks to shell config. Use rlwrap for chicken scheme interpreter. 4k-addmode script.

1 files changed, 26 insertions, 0 deletions

diff --git a/bin/4k-addmode.sh b/bin/4k-addmode.sh
new file mode 100755
index 0000000..ca5b712
--- /dev/null
+++ b/bin/4k-addmode.sh
@@ -0,0 +1,26 @@
+#!/bin/sh
+help() {
+cat <<EOF
+$0 [-d <display_name>] [-x <x>] [-y <y>] [-ref <rate>]
+'xrandr' with no arguments will give you a listing.
+EOF
+printf 'Defaults: x: %-6d y: %-6d ref: %-6.2f\n' "$x" "$y" "$ref"
+exit 1
+}
+display=DisplayPort-0 
+x=3840 
+y=2160 
+ref=110.00 
+while [ $# -gt 0 ] ; do case $1 in
+    -d) display="$2" ; shift ; shift ;;
+    -x) x="$2"; shift ; shift ;;
+    -y) y="$2"; shift ; shift ;;
+    -ref) ref="$(printf "%0.2f" "$2")"; shift ; shift ;;
+    *) help;;
+esac ; done
+modename="${x}x${y}_$ref"
+mdline="$(cvt "$x" "$y" "$ref" | sed -ne's/^Modeline "[^"]*"//p')" 
+#shellcheck disable=SC2086
+xrandr --newmode "$modename" $mdline 
+xrandr --addmode "$display" "$modename" 
+xrandr --output "$display" --mode "$modename"