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#!/bin/sh
set -e
# usage: ./nav.sh <source dir> <output file>
# Copyright 2019-2021 DistressNetwork° <uplink@distress.network>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
echo '<pre>' > "$2" # starting <pre> tag
echo '<!--title: Sitemap — DistressNetwork°-->' >> "$2" # util for plain.sh
# initial tree generation
tree -dfn --noreport -I 'css|error|favicon|fonts|js|media' "$1" >> "$2"
# remove leading path prefix
sed 's;/var/www/distress\.network;;g' -i'' "$2"
# link generation loop for each line
grep -n '─ ' "$2" | \
while IFS='' read -r data ; do
LINE=$(echo "$data" | cut -f 1 -d :) ; # extract line number
FULL=$(echo "$data" | cut -f 2- -d /) ; # extract output path
NAME=$(echo "$FULL" | grep -o '[^/]*$') ; # extract page name (last field of path)
# at the line number, replace path with link to page
sed "${LINE}s;─ .*;──<a href=\"/${FULL}\">${NAME}</a>;" -i'' "$2" ;
done
# replace starting blank line with root link
sed '3s;.*;<a href="/" aria-label="root">·</a>;' -i'' "$2"
# hide tree characters for screen readers
sed 's;^\(.\+\)<a;<span aria-hidden="true">\1</span><a;1' -i'' "$2"
echo '</pre>' >> "$2" # closing <pre> tag
cat "$2"
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