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e726ef8d MT |
1 | #!/bin/bash |
2 | ############################################################################### | |
3 | # # | |
4 | # IPFire.org - A linux based firewall # | |
5 | # Copyright (C) 2012 IPFire Network Development Team # | |
6 | # # | |
7 | # This program is free software: you can redistribute it and/or modify # | |
8 | # it under the terms of the GNU General Public License as published by # | |
9 | # the Free Software Foundation, either version 3 of the License, or # | |
10 | # (at your option) any later version. # | |
11 | # # | |
12 | # This program is distributed in the hope that it will be useful, # | |
13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of # | |
14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # | |
15 | # GNU General Public License for more details. # | |
16 | # # | |
17 | # You should have received a copy of the GNU General Public License # | |
18 | # along with this program. If not, see <http://www.gnu.org/licenses/>. # | |
19 | # # | |
20 | ############################################################################### | |
21 | # | |
22 | # Functions for nice handling of lists. | |
23 | # | |
24 | ||
25 | function list_append() { | |
26 | local list=${1} | |
27 | shift | |
28 | ||
29 | assert isset list | |
30 | ||
31 | eval "${list}=\"${!list} $@\"" | |
32 | } | |
33 | ||
34 | function list_remove() { | |
35 | local list=${1} | |
36 | shift | |
37 | ||
38 | assert isset list | |
39 | ||
40 | local _list k | |
41 | for k in ${!list}; do | |
42 | listmatch ${k} $@ && continue | |
43 | ||
44 | _list="${_list} ${k}" | |
45 | done | |
46 | ||
47 | eval "${list}=\"${_list}\"" | |
48 | } | |
49 | ||
50 | function list_sort() { | |
51 | local i | |
52 | for i in $@; do | |
53 | print "${i}" | |
54 | done | sort | tr '\n' ' ' | |
55 | ||
56 | } | |
57 | ||
58 | function list_match() { | |
59 | local match=${1} | |
60 | shift | |
61 | ||
62 | local i | |
63 | for i in $@; do | |
64 | [ "${match}" = "${i}" ] && return ${EXIT_OK} | |
65 | done | |
66 | ||
67 | return ${EXIT_ERROR} | |
68 | } | |
69 | ||
70 | function list_length() { | |
71 | local length=0 | |
72 | ||
73 | local i | |
74 | for i in $@; do | |
75 | length=$(( ${length} + 1 )) | |
76 | done | |
77 | ||
78 | print "${length}" | |
79 | } |