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919936aab81af22ff937b7ae20d95e01945cecac
[etc/mutt.git] / .mutt / get-timestamp
1 #!/bin/sh
2 #
3 # get-timestamp - helper script to obtain a timestamp from the user
4 #
5 # Copyright © 2008 martin f. krafft <madduck@madduck.net>
6 # Released under the terms of the Artistic Licence 2.0
7 #
8 set -eu
9
10 if [ -z "${__RLWRAPPED:-}" ] && [ -x $(command -v rlwrap) ]; then
11   __RLWRAPPED=true exec rlwrap "$0" "$@"
12 fi
13
14 printf 'When should I tickle you about this message? ' >/dev/tty
15 read timespec </dev/tty
16
17 case "$timespec" in
18   '')
19     echo "E: empty timespec" >&2
20     exit 1
21     ;;
22   @[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]|*' '*)
23     date="$timespec";;
24   *[0-9]y) date="now + ${timespec%y} years 00:00";;
25   *[0-9]m) date="now + ${timespec%m} months 00:00";;
26   *[0-9]w) date="now + ${timespec%w} weeks 00:00";;
27   *[0-9]d|*[0-9]) date="now + ${timespec%d} days 00:00";;
28   *[0-9]h) date="now + ${timespec%h} hours";;
29   *' '*) date="$args";;
30   *) date="$timespec";;
31 esac
32
33 exec date +'%s (%c)' -d "$date"