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#!/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
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