69 lines
1.6 KiB
Bash
Executable File
69 lines
1.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# common.bash: Advent of Code 2022, common bash functions
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#
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# Copyright (C) 2022 Bruno Raoult ("br")
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# Licensed under the GNU General Public License v3.0 or later.
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# Some rights reserved. See COPYING.
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#
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# You should have received a copy of the GNU General Public License along with this
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# program. If not, see <https://www.gnu.org/licenses/gpl-3.0-standalone.html>.
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#
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# SPDX-License-Identifier: GPL-3.0-or-later <https://spdx.org/licenses/GPL-3.0-or-later.html>
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# shellcheck disable=2034
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export cmdname=${0##*/}
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export debug=0
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export res
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export LANG=C
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shopt -s extglob
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set -o noglob
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usage() {
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printf "usage: %s [-d DEBUG] [-p PART]\n" "$cmdname"
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exit 1
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}
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checkargs() {
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local part=1
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while getopts p:d: todo; do
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case "$todo" in
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d)
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if [[ "$OPTARG" =~ ^[[:digit:]+]$ ]]; then
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debug="$OPTARG"
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else
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printf "%s: illegal [%s] debug level.\n" "$CMD" "$OPTARG"
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exit 1
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fi
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;;
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p)
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if [[ "$OPTARG" =~ ^[12]$ ]]; then
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part="$OPTARG"
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else
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printf "%s: illegal [%s] part.\n" "$CMD" "$OPTARG"
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exit 1
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fi
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;;
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*)
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usage
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;;
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esac
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done
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# Now check remaining argument (backup directory)
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shift $((OPTIND - 1))
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(( $# > 1 )) && usage
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return "$part"
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}
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main() {
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local -i part
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checkargs "$@"
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part=$?
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parse "$part"
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solve "$part"
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printf "%s: res=%s\n" "$cmdname" "$res"
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}
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