feat: screencap script

.bin/screencap.sh

@@ -0,0 +1,16 @@
+#! /usr/bin/env nix-shell
+#! nix-shell -i sh -p coreutils byzanz xorg.xwininfo gnused
+
+# shellcheck shell=sh
+# ref https://gist.github.com/aforemny/0994cb7f06ea30d56c8b9681ff5d2054
+
+set -eux
+
+eval "$(xwininfo | \
+  sed -n -e 's/^ \+Absolute upper-left X: \+\([0-9]\+\).*/x=\1/p' \
+         -e 's/^ \+Absolute upper-left Y: \+\([0-9]\+\).*/y=\1/p' \
+         -e 's/^ \+Width: \+\([0-9]\+\).*/w=\1/p' \
+         -e 's/^ \+Height: \+\([0-9]\+\).*/h=\1/p')"
+
+trap "pkill -f 'sleep 360d'" INT
+byzanz-record -e "sleep 360d" -c -x $x -y $y -w $w -h $h "$@"