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git.ipfire.org Git - people/ms/network.git/blob - src/functions/functions.list
2 ###############################################################################
4 # IPFire.org - A linux based firewall #
5 # Copyright (C) 2012 IPFire Network Development Team #
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. #
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. #
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/>. #
20 ###############################################################################
22 # Functions for nice handling of lists.
28 assert
[ ${list} != "list" ]
33 list_append_one
"${list}" "${arg}"
44 assert
[ ${list} != "list" ]
46 if [ -n "${!list}" ]; then
47 assign
"${list}" "${!list} $@"
53 # Appends one or more elements to the list only if they are not on the list, yet
54 list_append_unique
() {
60 local ret
=${EXIT_ERROR}
64 if ! list_match
${arg} ${!list}; then
65 list_append_one
${list} "${arg}"
73 # Removes all matching items from the list
74 # Returns OK if at least one match was found and ERROR when not
80 assert
[ ${list} != "list" ]
82 local ret
=${EXIT_ERROR}
86 if list_match
${k} "$@"; then
94 assign
"${list}" "${_list}"
103 done |
sort |
tr '\n' ' '
110 # Check if the item has already been processed.
111 list_match
"${item}" ${items} && continue
113 list_append items
"${item}"
124 [ "${match}" = "${i}" ] && return ${EXIT_OK}
141 length=$(( ${length} + 1 ))
147 # Count how often $1 occurs in the list.
156 if [ "${arg}" = "${what}" ]; then
157 counter=$(( ${counter} + 1 ))
170 assert [ ${list} != "list
" ]
173 printf -v ret "${delim}%s
" ${!list}
175 print "${ret:${#delim}}"
181 reversed="${arg} ${reversed}"
201 # Only works for directories
202 if [ ! -d "${dir}" ]; then
207 for path in ${dir}/*; do
208 if [ -e "${path}" ]; then