Script that creates google calendar events for turn changes in LT31 online Freeciv game.

gistfile1.sh

#!/bin/sh

game="LT31"
start_turn=66
start_time=1359900000
end_turn=200
hours=23

for((i=$start_turn; i<=$end_turn; i++)); do
        turn="$i"
        timestamp="$(calc -p "$start_time + ($i-$start_turn) *$hours*3600")"
        date_start="$(date -d '@'"$timestamp" '+%Y-%m-%dT%H:%M:%S')"
        date_end="$(date -d '@'"$(calc -p "$timestamp + 1800")" '+%Y-%m-%dT%H:%M:%S')"
        date="$date_start,$date_end"
        google calendar add --reminder='60m' -d "$date" "$game/T$turn"
        sleep 1
done