niceties

niceties/data

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+#!/bin/sh
+
+set -e
+
+# on Linux only:
+# these files (separated by newlines) will have the current CPU temperature
+# multiplied by $CPU_TEMP_SCALE. this script divides the file contents by scale
+# and displays that temperature (assumed to be in Celsius units)
+CPU_TEMP_FILES="/sys/devices/platform/coretemp.0/hwmon/hwmon4/temp2_input
+/sys/devices/platform/coretemp.0/hwmon/hwmon4/temp3_input"
+CPU_TEMP_SCALE=1000
+
+# format for the date (by default in this script, ISO 8601)
+DATE="date +%Y-%m-%dT%T"
+
+DELIMITER=" || "
+
+# how fast to refresh the display (in seconds, will be substituted with 1 if
+# not an integer)
+INTERVAL=1
+
+get_cpu_temp() {
+	if streq "$(uname)" "Linux"; then
+		RETVAL=""
+		# iterate over files, adjust, print out "%dC "
+		for file in $CPU_TEMP_FILES;
+			do RETVAL="$RETVAL$(fdivide $(cat $file) $CPU_TEMP_SCALE)C "
+		done
+		# in-line python (bet you've never seen that before) that
+		# strips off trailing whitespace. could be done with sed but
+		# this was more fun
+		printf "%b" "$RETVAL" \
+			| python -c "from sys import stdin; print(stdin.read().rstrip() + '\n')"
+		return
+	elif streq "$(uname)" "NetBSD"; then
+		printf "%bC" "$(envstat -s coretemp0:'cpu0 temperature' \
+			| sed 1,2d \
+			| cut -d ':' -f 2 \
+			| awk '{print $1}' \
+			| cut -d '.' -f 1)"
+		return
+	else
+		printf "get_cpu_temp: unsupported OS"
+	fi
+}
+
+get_current_desktop() {
+	LASTDESKTOP="$DESKTOP"
+	case "$WM" in
+	bspwm) 
+		DESKTOP="$(bspc query -D -d focused --names 2>/dev/null)" ;;
+		
+	esac || DESKTOP=""
+	printf "[%s] " "$DESKTOP"
+	if str isvalue "$LASTDESKTOP" && ! str isvalue "$DESKTOP"; then
+		# X is kill
+		exit 0
+	fi
+}
+
+get_memory_usage() {
+	if streq "$(uname)" "Linux"; then
+		printf "%b" \
+			"$(free | head -n 2 | tail -n 1 \
+				| awk '{print $3 " used / " $2 " total"}')"
+		return
+	fi
+}
+
+PUBLIC_IP="$(ifpublic)"
+
+printbar() {
+	printf "%b" "$(get_current_desktop)"
+	printf "%b" $($DATE)
+	printf "%b" "$DELIMITER"
+	printf "%b" "BAT: $(battery)"
+	printf "%b" "$DELIMITER"
+	printf "%b" "CPU: $(get_cpu_temp)"
+	printf "%b" "$DELIMITER"
+	printf "%b" "PuIP: $PUBLIC_IP"
+	#printf "%b" "$DELIMITER"
+	#printf "%b" "MEM: $(get_memory_usage)"
+	printf "\n"
+	return
+}
+
+# check to make sure customizeable vars are in proper format
+
+str isdigit "$INTERVAL" \
+	|| INTERVAL=1
+
+str isdigit "$CPU_TEMP_SCALE" \
+		&& [ "$CPU_TEMP_SCALE" -gt 0 ] \
+	|| CPU_TEMP_SCALE=1
+
+str isvalue "$CPU_TEMP_FILES" \
+	|| alias get_cpu_temp="printf '[no temperature files specified]\n'"
+
+# main loop
+
+while true; do
+	printbar
+	sleep "$INTERVAL"
+	if streq $(date +'%S') 00; then
+		# every minute
+		PUBLIC_IP="$(ifpublic)"
+	fi
+done