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#!/usr/bin/bash
#
# dirsize.sh - calculate size of all files in a directory
#
# Copyright (c) 2019 Pacman Development Team <pacman-dev@archlinux.org>
#
# 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 2 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/>.
#
[[ -n "$LIBMAKEPKG_UTIL_DIRSIZE_SH" ]] && return
LIBMAKEPKG_UTIL_DIRSIZE_SH=1
# find the total filesize of all files in the current directory while only
# counting multiply hardlinked files once
dirsize() {
local file inode
declare -A files
{
find . -type f -links 1 -exec cat {} + 2>/dev/null
while read -rd ' ' inode; do
IFS= read -r file
if [[ -z ${files[$inode]} ]]; then
files[$inode]=found
cat "$file"
fi
done < <(find . -type f -links +1 -exec @INODECMD@ {} + 2>/dev/null)
} | wc -c
}
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