admit WETTER_DAYS

1 files changed, 7 insertions, 2 deletions

diff --git a/wetter b/wetter
index 6f5ac19..fb89ac0 100755
--- a/wetter
+++ b/wetter
@@ -14,6 +14,9 @@
 #
 #       WETTER_API_ROOT_URL
 #       WETTER_TOKEN_URL
+#       WETTER_DAYS
+#             How many days of weather to show.
+#             Default: 4
 #
 #       WETTER_LOCATION
 #
@@ -64,11 +67,13 @@ main() {
 
   locatedAt=$(echo "$location_spec" | awk -F, '{print$2","$1}')
 
+  days=${WETTER_DAYS-4}
+
   validFrom=$(date -d 'TZ="Europe/Berlin" - 48 hours' --utc +'%Y-%m-%dT%H:%M:%S.%3NZ')
-  validUntil=$(date -d "TZ=\"Europe/Berlin\" + $(( 5 * 24 )) hours" --utc +'%Y-%m-%dT%H:%M:%S.%3NZ')
+  validUntil=$(date -d 'TZ="Europe/Berlin" + '$(( ( days + 1 ) * 24 ))' hours' --utc +'%Y-%m-%dT%H:%M:%S.%3NZ')
 
   t0=$(date -d 'TZ="Europe/Berlin" - 0 days 00:00' +'%Y-%m-%dT%H:%M:%S.%3NZ')
-  t1=$(date -d 'TZ="Europe/Berlin" + 4 days 00:00' +'%Y-%m-%dT%H:%M:%S.%3NZ')
+  t1=$(date -d 'TZ="Europe/Berlin" + '"$days"' days 00:00' +'%Y-%m-%dT%H:%M:%S.%3NZ')
 
 	curl -fsS \
 			-H "authorization: Bearer $token" \