44 lines
1.4 KiB
Bash
Executable File
44 lines
1.4 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
|
|
# processes a tab-separated "deadlines" file and alerts for any upcoming events.
|
|
#
|
|
# deadlines.tsv file format:
|
|
# - <date>\t<reminder-interval>\t<event>
|
|
# - no header
|
|
# - one line per entry
|
|
# - <event> may contain any non-newline and non-tab characters
|
|
# - <notice-interval> is the number of days before the event to start alerting, followed by 'd', e.g. `14d`
|
|
# - <date> should be lexicographically orderable and machine-parsable, e.g. `2023-03-14`
|
|
#
|
|
# example `deadlines.tsv`
|
|
# 2023-03-14 1d celebrate pi day!
|
|
# 2023-04-18 14d taxes due
|
|
# 2023-04-01 7d the other pie day :o
|
|
|
|
# configurables:
|
|
deadlines=~/knowledge/planner/deadlines.tsv
|
|
|
|
if ! test -f "$deadlines"; then
|
|
echo "WARNING: $deadlines sane-deadlines file not found"
|
|
exit 1
|
|
fi
|
|
|
|
now=$(date +%s)
|
|
sort "$deadlines" | while read line; do
|
|
# parse line
|
|
deadline_field=$(echo "$line" | cut -f 1)
|
|
threshold_field=$(echo "$line" | cut -f 2)
|
|
description_field=$(echo "$line" | cut -f 3)
|
|
|
|
# normalize dates into seconds since unix epoch
|
|
deadline=$(date -d "$deadline_field" +%s)
|
|
threshold=$(echo "$threshold_field" | sed 's/d/day /g')
|
|
birthtime=$(date -d "$deadline_field - $threshold" +%s)
|
|
|
|
# show the event iff it's near
|
|
if test "$now" -ge "$birthtime"; then
|
|
days_until=$(( ($deadline - $now) / (24*60*60) ))
|
|
echo "in $days_until day(s): $description_field"
|
|
fi
|
|
done
|