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#!/bin/sh
# Manage events (replacement for https://git.tronto.net/sdep)
# Usage: event [command [argument]]
# See usage() for details
file="$HOME/box/events" # Change to $XDG_DATA_HOME/events or whatever
editor=${EDITOR:-vi}
usage() {
echo "Usage: event [command]"
echo "Commands:"
echo " add [day] Add a new event (default date: none)"
echo " day: today, t; tomorrow, tm"
echo " clear Sort and cleanup event file"
echo " edit Open event file in $editor"
echo " list [date] List all events on date (default: all events)"
echo " date: now, n; today, t; tomorrow, tm;"
echo " week, w; nextweek, nw;"
echo " future, f; past, p"
}
secondstoday() {
if [ "$(uname)" = "Linux" ]; then
date -d @$1 +'%Y-%m-%d'
else # Assume BSD date
date -r $1 +'%Y-%m-%d'
fi
}
secondstomin() {
if [ "$(uname)" = "Linux" ]; then
date -d @$1 +'%Y-%m-%d %H:%M'
else # Assume BSD date
date -r $1 +'%Y-%m-%d %H:%M'
fi
}
datetoseconds() {
# Read date in YYYY-MM-DD HH:MM format
if [ "$(uname)" = "Linux" ]; then
date -d "$1 $2" +'%s'
else # Assume BSD date
date -f '%Y-%m-%d %H:%M' -j "$1 $2" +'%s'
fi
}
dayplus() {
d="$1"
n="$(datetoseconds today)"
echo "$((n+d*60*60*24))"
}
monday() { d="$(date +%u)"; dayplus "$((1-d))"; }
monday1() { d="$(date +%u)"; dayplus "$((8-d))"; }
monday2() { d="$(date +%u)"; dayplus "$((15-d))"; }
daydiff() {
ar="$1"
d="$(date +%u)"
case "$ar" in
mon|monday)
w=1
;;
tue|tuesday)
w=2
;;
wed|wednesday)
w=3
;;
thu|thursday)
w=4
;;
fri|friday)
w=5
;;
sat|saturday)
w=6
;;
sun|sunday)
w=7
;;
*)
w=0
;;
esac
[ "$w" = "0" ] && echo "" || echo "$(((w-d+7) % 7))"
}
secondsline() {
# TODO: this function is not needed, need similar one with weekday
line="$(cat)"
s="$(datetoseconds $line)"
t="$(echo "$line" | sed -E 's/....-..-.. .{1,2}:.. //g')"
echo "$s $t"
}
filterlines() {
while read -r line; do
s="$(datetoseconds $line)"
[ "$s" -ge "$1" ] && [ "$s" -lt "$2" ] && echo "$line"
done
}
list() {
if [ -z "$1" ]; then
cat
elif [ "$1" = "now" ] || [ "$1" = "n" ]; then
grep "$(date +'%Y-%m-%d %H:%M')"
elif [ "$1" = "today" ] || [ "$1" = "t" ]; then
grep "$(date +'%Y-%m-%d')"
elif [ "$1" = "tomorrow" ] || [ "$1" = "tm" ]; then
grep "$(secondstoday $(dayplus 1))"
elif [ "$1" = "week" ] || [ "$1" = "w" ]; then
filterlines "$(monday)" "$(monday1)"
elif [ "$1" = "nextweek" ] || [ "$1" = "nw" ]; then
filterlines "$(monday1)" "$(monday2)"
elif [ "$1" = "future" ] || [ "$1" = "f" ]; then
filterlines "$(date +%s)" "9999999999"
elif [ "$1" = "past" ] || [ "$1" = "p" ]; then
filterlines "0" "$(date +%s)"
fi
}
case "$1" in
add)
if [ "$2" = "today" ] || [ "$2" = "t" ]; then
d="$(date +'%Y-%m-%d')"
elif [ "$2" = "tomorrow" ] || [ "$2" = "tm" ]; then
d="$(secondstoday $(dayplus 1))"
elif [ -n "$2" ]; then
d="$(secondstoday $(dayplus $(daydiff $2)))"
fi
[ -n "$d" ] && printf '%s ' "$d"
read -r line
[ -n "$d" ] && line="$d $line"
echo "$line" >> "$file"
;;
clear)
tmp=$(mktemp)
cat "$file" | list future | sort > "$tmp"
mv "$tmp" "$file"
;;
edit)
"$editor" "$file"
;;
list)
cat "$file" | list $2 | sort
;;
*)
usage
;;
esac
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