Thu Dec 23 06:28:03 PM UTC 2021

1 files changed, 87 insertions, 0 deletions

diff --git a/.bin/tenv b/.bin/tenv
new file mode 100755
index 0000000..7718d89
--- /dev/null
+++ b/.bin/tenv
@@ -0,0 +1,87 @@
+#!/bin/sh
+#
+#    o
+#   _|_     _  _            _   _  _
+#    |  |  / |/ |  |   |   |/  / |/ |  |  |_
+#    |_/|_/  |  |_/ \_/|/  |__/  |  |_/ \/
+#                    /|
+#                    \|
+#
+# tiny env
+# scraps system and user's configuration,
+# providing unified env. variables accross exotic setup.
+#
+# ~ rgoncalves.se
+
+log() {
+	echo [] "${@}"
+}
+
+usage() {
+	cat <<-EOF
+	usage: tinyenv [-d]
+	EOF
+}
+
+get_os_distribution() {
+	# tmp
+	os=$(uname | tr "[:upper:]" "[:lower:]")
+	distribution=$(uname -r)
+	# logic
+	case "${os}" in
+		linux)
+			distribution=$(uname -r)
+			;;
+	esac
+	# return
+	export _OS_DISTRIBUTION="${os}_${distribution}"
+	unset -v os distribution
+}
+
+get_display() {
+	# tmp
+	list="wayland Xorg"
+	# logic
+	for display in ${list}; do
+		# search display and skip export if not found
+		pgrep "${display}" >/dev/null
+		[ "${?}" -ne 0 ] && display="none" && continue
+		# found display server 
+		break
+	done
+	# return
+	export _DISPLAY_SERVER=$(echo "${display}" | tr "[:upper:]" "[:lower:]")
+	unset -v list  display
+}
+
+get_screens() {
+	# tmp
+	screens="1"
+	# logic
+	[ "${_DISPLAY_SERVER}" = "xorg" ] && \
+		screens=$(xrandr | grep " connected" | wc -l | tr -d " ")
+	# return
+	export _SCREENS="${screens}"
+	unset screens
+}
+
+show_env() {
+	list=$(env | grep "^_.*" | sort -n)
+	for el in ${list}; do
+		log "${el}"
+	done
+	unset -v list el
+}
+
+main() {
+
+	# must be first
+	get_os_distribution
+	# alpha/numeric ordered
+	get_display
+	get_screens
+
+	[ -n "${DEBUG}" ] && show_env
+}
+
+main $@