.local/bin/cal-ics-combine


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#!/bin/sh
dir="${1:-$(ls ~/Sync/calendars | dmenu -p "combine ics files for")}"
file="${2:-combined.ics}"
[ -z "$dir" ] && exit 0
{
    echo BEGIN:VCALENDAR
    cat "$HOME/Sync/pim/$dir"/* |
        grep -v -e END:VCALENDAR -e BEGIN:VCALENDAR; echo END:VCALENDAR
} > "$file"
echo "$file"