3 # Copyright 2014, 2015 Paul Hänsch
5 # This file is part of shcgi.
7 # shcgi is free software: you can redistribute it and/or modify
8 # it under the terms of the GNU Affero 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 # shcgi 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 Affero General Public License for more details.
17 # You should have received a copy of the GNU Affero General Public License
18 # along with shcgi. If not, see <http://www.gnu.org/licenses/>.
24 # set up directories for object storage
26 [ -d "$_DATA" -a -w "$_DATA" ] || die "storage directory must be writable"
28 [ ! -e "$_DATA/$each" ] && mkdir "$_DATA/$each"
29 [ -d "$_DATA/$each" -a -w "$_DATA/$each" ] || die "storage \"$_DATA/$each\" must be a writable directory"
34 # print value if value matches regex; otherwise print default
36 regex="$(printf %s\\n "$2" | sed -r ':X;s;(^|[^\\])((\\\\)*)/;\1\2\\/;g;tX')"
37 # ^^ escape only unescaped slash characters for later insertion
40 printf %s\\n "${value}" \
41 | sed -rn "2q; /^(${regex})\$/{p;q}; a${default}
46 # print default if value matches regex; otherwise print value
48 regex="$(printf %s\\n "$2" | sed -r ':X;s;(^|[^\\])((\\\\)*)/;\1\2\\/;g;tX')"
49 # ^^ escape only unescaped slash characters for later insertion
52 printf %s\\n "${value}" \
53 | sed -rn "2q; /^(${regex})\$/{bX}; p;q; :X;a${default}
59 [ -n "${item_name[$1]+x}" ] && printf %s "$item_name[$1]" || printf %s "$1"