1 files changed, 38 insertions, 0 deletions
diff --git a/cmd/weather b/cmd/weather
new file mode 100755
index 0000000..ee21233
--- /dev/null
+++ b/cmd/weather
@@ -0,0 +1,38 @@
+#!/bin/sh
+# @weather [location] - condition, temperature and local time
+#
+# In chat:  @weather            -> default: Bangkok and Warsaw
+#           @weather Wroclaw     -> just that location
+#           @weather New York    -> the whole argument arrives as "$1"
+#
+# Weather comes from wttr.in. Its %T (time) field is served from a cache
+# and goes stale, so we take only the timezone name (%Z, which is
+# static) from wttr.in and compute the current local time with date.
+
+fmt='%l:+%c+%t+%Z'
+
+one() {
+	loc=$(printf '%s' "$1" | tr ' ' '+')
+	out=$(curl -fsS --max-time 8 "https://wttr.in/${loc}?format=${fmt}") || {
+		printf 'weather: lookup failed for %s\n' "$1"
+		return
+	}
+	tz=${out##* }            # last token: timezone name, e.g. Asia/Bangkok
+	wx=${out% *}             # the rest: location, condition, temperature
+	case "$tz" in
+		*/*)
+			now=$(TZ="$tz" date '+%H:%M')
+			printf '%s, %s\n' "$wx" "$now"
+			;;
+		*)
+			printf '%s\n' "$out"   # no usable timezone: show as-is
+			;;
+	esac
+}
+
+if [ -n "$1" ]; then
+	one "$1"
+else
+	one Bangkok
+	one Warsaw
+fi