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[etc/mailfilter.git] / bin / list-postponed-messages
1 #!/bin/sh
2 set -eu
3
4 ME="${0##*/}"
5
6 about()
7 {
8   echo "$ME -- list postponed messages which have expired"
9   echo "Copyright © martin f. krafft <madduck@madduck.net>"
10   echo "Released under the terms of the Artistic Licence 2.0"
11 }   
12     
13 usage()
14 {
15   echo "Usage: $ME [options] <Maildir> [<Maildir> ...]"
16   echo
17   echo "Valid options are:"
18   cat <<-_eof | column -s\& -t
19         -V|--version & show version information.
20         -h|--help & show this output.
21         -a|--all & list all postponed messages, not only expired ones
22         -s|--stamp & include the time stamp *before* the filename
23         _eof
24 }
25
26 SHORTOPTS=Vhas
27 LONGOPTS=version,help,all,stamp
28
29 maildirs=
30 listall=0
31 timestamp=0
32
33 for opt in $(getopt -n $ME -o $SHORTOPTS -l $LONGOPTS -u -- "$@"); do
34   case "$opt" in
35     -V|--version) about; exit 0;;
36     -h|--help) about; echo; usage; exit 0;;
37     -a|--all) listall=1;;
38     -s|--stamp) timestamp=1;;
39     --) :;;
40     *)
41       if [ -d "$opt/cur" ] && [ -d "$opt/new" ] && [ -d "$opt/tmp" ]; then
42         maildirs="$maildirs $opt"
43       else
44         echo "E: unknown argument: $opt" >&2
45         exit 1
46       fi
47       ;;
48   esac
49 done
50
51 if [ -z "$maildirs" ]; then
52   echo "E: no Maildirs specified." >&2
53   exit 2
54 fi
55
56 NOW=$(date +%s)
57
58 for i in $maildirs; do
59   d="${i%/}"
60   echo "$d/new/"
61   echo "$d/cur/"
62 done \
63   | xargs -I {} find {} -type f \
64   | xargs grep -H '^X-Postponed:' \
65   | while read i; do
66       f="${i%:X-Postponed:*}"
67       ts="${i#*:X-Postponed: }"; ts="${ts%% *}"
68
69       if [ $listall -eq 1 ] || [ $ts -le $NOW ]; then
70         [ $timestamp -eq 1 ] && echo -n "$ts "
71         echo "$f"
72       fi
73     done