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[scripts.git] / gma.sh
1 #!/bin/bash
2
3 #########################################################################
4 # This program is free software: you can redistribute it and/or modify  #
5 # it under the terms of the version 3 of the GNU General Public License #
6 # as published by the Free Software Foundation.                         #
7 #                                                                       #
8 # This program is distributed in the hope that it will be useful, but   #
9 # WITHOUT ANY WARRANTY; without even the implied warranty of            #
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU      #
11 # General Public License for more details.                              #
12 #                                                                       #
13 # You should have received a copy of the GNU General Public License     #
14 # along with this program. If not, see <http://www.gnu.org/licenses/>.  #
15 #                                                                       #
16 # Written by and Copyright (C) Francois Fleuret                         #
17 # Contact <francois.fleuret@idiap.ch> for comments & bug reports        #
18 #########################################################################
19
20 set -e
21
22 function usage () {
23     echo "gma.sh [--body] [--keepspam] [--subject|--from|--to|--fromto] <pattern> [<year>]"
24 }
25
26 RESULT_MBOX="/tmp/gma"
27
28 if [[ -z "${MAIL_ARCHIVE_DIR}" ]]; then
29     echo "Undefined \$MAIL_ARCHIVE_DIR" >&2
30     exit 1
31 fi
32
33 if [[ $(which ionice) ]]; then
34     IONICE="ionice -c3"
35 else
36     IONICE=""
37 fi
38
39 HEADER_ONLY="-H"
40
41 while [[ $1 ]]; do
42
43     case $1 in
44
45         "--help"|"-h")
46             usage
47             exit 0
48             ;;
49
50         "--body")
51             HEADER_ONLY=""
52             ;;
53
54         "--intense")
55             IONICE=""
56             ;;
57
58         "--keepspam")
59             KEEP_SPAM=1
60             ;;
61
62         "--from")
63             RE_PREFIX="^From:.*"
64             ;;
65
66         "--to")
67             RE_PREFIX="^To:.*"
68             ;;
69
70         "--fromto")
71             RE_PREFIX="^(From|To):.*"
72             ;;
73
74         "--subject")
75             RE_PREFIX="^Subject:.*"
76             ;;
77
78         *)
79             if [[ ${PATTERN} ]]; then
80                 # If we already have the pattern to match in the
81                 # message, get the new argument as a pattern for the
82                 # filename
83                 if [[ ${FILE_PATTERN} ]]; then
84                     usage
85                     exit 1
86                 else
87                     FILE_PATTERN="${MAIL_ARCHIVE_DIR}/${1}/*/*"
88                     SIZE_FILE_PATTERN="${MAIL_ARCHIVE_DIR}/${1}"
89                 fi
90             else
91                 PATTERN=$1
92             fi
93             ;;
94     esac
95     shift
96 done
97
98 if [[ -z "${PATTERN}" ]]; then
99     usage
100     exit 1
101 fi
102
103 [[ ${FILE_PATTERN} ]] || FILE_PATTERN="${MAIL_ARCHIVE_DIR}/*/*/*"
104 [[ ${SIZE_FILE_PATTERN} ]] || SIZE_FILE_PATTERN="${MAIL_ARCHIVE_DIR}"
105
106 SIZE=$(\dus ${SIZE_FILE_PATTERN} | cut -f 1 -d" ")
107
108 echo "Looking for ${RE_PREFIX}${PATTERN}"
109 echo "        in ${FILE_PATTERN}"
110 echo "        writing result in ${RESULT_MBOX}"
111
112 if [[ ${KEEP_SPAM} ]]; then
113
114     ${IONICE} cat ${FILE_PATTERN} \
115         | pv -s ${SIZE} -p -t -e - \
116         | mboxgrep ${HEADER_ONLY} -i "${RE_PREFIX}${PATTERN}" > ${RESULT_MBOX}
117
118 else
119
120     ${IONICE} cat ${FILE_PATTERN} \
121         | pv -s ${SIZE} -p -t -e - \
122         | mboxgrep ${HEADER_ONLY} -i "${RE_PREFIX}${PATTERN}" \
123         | mboxgrep ${HEADER_ONLY} -v '^Subject:.*SPAM' > ${RESULT_MBOX}
124
125 fi
126
127 echo "Found "$(grep ^"From " ${RESULT_MBOX} | wc -l)" messages."