458 lines
16 KiB
Bash
458 lines
16 KiB
Bash
#!/usr/bin/env bash
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# ------------------------------------------------------------------------------
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# Copyright (c) 2013-2026 Geoffray Levasseur <fatalerrors@geoffray-levasseur.org>
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# Protected by the BSD3 license. Please read bellow for details.
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#
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# * Redistribution and use in source and binary forms,
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# * with or without modification, are permitted provided
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# * that the following conditions are met:
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# *
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# * Redistributions of source code must retain the above
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# * copyright notice, this list of conditions and the
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# * following disclaimer.
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# *
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# * Redistributions in binary form must reproduce the above
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# * copyright notice, this list of conditions and the following
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# * disclaimer in the documentation and/or other materials
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# * provided with the distribution.
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# *
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# * Neither the name of the copyright holder nor the names
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# * of any other contributors may be used to endorse or
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# * promote products derived from this software without
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# * specific prior written permission.
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# *
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# * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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# * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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# * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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# * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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# * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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# * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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# * OF SUCH DAMAGE.
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# ------------------------------------------------------------------------------
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# Common helpers (helpers/common.sh)
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# shellcheck source=../helpers/common.sh
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declare -F _profile_load_helpers >/dev/null || . "$(dirname -- "${BASH_SOURCE[0]}")/../helpers/common.sh"
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load_conf info
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# ------------------------------------------------------------------------------
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# Show profile version
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# Usage: ver
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ver()
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{
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local PARSED
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PARSED=$(getopt -o h --long help -n 'ver' -- "$@")
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# shellcheck disable=SC2181 # getopt return code is checked immediately after
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if [[ $? -ne 0 ]]; then
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disp E "Invalid options, use \"ver --help\" to display usage."
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return 1
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fi
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# Restore the getopt-normalised (shell-quoted) argument list
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local -a _pargs=()
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_getopt_split _pargs "$PARSED"
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set -- "${_pargs[@]}"
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while true; do
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case "$1" in
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-h|--help)
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printf "ver: Display the current profile version.\nUsage: ver\n"
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return 0
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;;
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--)
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shift
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break
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;;
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*)
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disp E "Invalid options, use \"ver --help\" to display usage."
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return 1
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;;
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esac
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done
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[[ -z ${PROFVERSION:-} ]] && \
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disp W "No version defined. Profile is probably badly installed." && \
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return 1
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disp "Profile version $PROFVERSION."
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}
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export -f ver
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# ------------------------------------------------------------------------------
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# ------------------------------------------------------------------------------
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# Display weather for the given city (or the default one)
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# Usage: meteo [city1 city2 ...]
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meteo()
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{
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local PARSED
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PARSED=$(getopt -o h --long help -n 'meteo' -- "$@")
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# shellcheck disable=SC2181 # getopt return code is checked immediately after
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if [[ $? -ne 0 ]]; then
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disp E "Invalid options, use \"meteo --help\" to display usage."
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return 1
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fi
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# Restore the getopt-normalised (shell-quoted) argument list
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local -a _pargs=()
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_getopt_split _pargs "$PARSED"
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set -- "${_pargs[@]}"
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while true; do
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case "$1" in
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-h|--help)
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printf "meteo: Fetch weather data.\n"
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printf "Usage: meteo [city1 city2 ...]\n"
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printf "If no city is provided, the default city from configuration will be used.\n"
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return 0
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;;
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--)
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shift
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break
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;;
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*)
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disp E "Invalid options, use \"meteo --help\" to display usage."
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return 1
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;;
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esac
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done
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local cities=("$@")
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local city="" encoded=""
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[[ $# -eq 0 ]] && cities=("${METEO_DEFAULT_CITY:-}")
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if [[ ${#cities[@]} -eq 0 || -z "${cities[0]}" ]]; then
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disp E "No city given and METEO_DEFAULT_CITY is not set. Use 'meteo <city>'."
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return 1
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fi
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for city in "${cities[@]}"; do
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encoded=$(urlencode "$city")
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dwl "https://wttr.in/$encoded" || \
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disp E "Failed to fetch weather data for $city."
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done
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}
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export -f meteo
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# ------------------------------------------------------------------------------
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# ------------------------------------------------------------------------------
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# Display a system information block using only /proc and /sys — no external tools.
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# Usage: pinfo
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pinfo()
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{
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local _row
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_row() {
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printf " %b%-12s%b %b%s%b\n" "$_lbl" "$1" "$_rst" "$_val" "$2" "$_rst"
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}
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local PARSED
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PARSED=$(getopt -o h --long help -n 'pinfo' -- "$@")
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# shellcheck disable=SC2181
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if [[ $? -ne 0 ]]; then
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disp E "Invalid options, use \"pinfo --help\" to display usage."
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return 1
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fi
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# Restore the getopt-normalised (shell-quoted) argument list
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local -a _pargs=()
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_getopt_split _pargs "$PARSED"
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set -- "${_pargs[@]}"
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while true; do
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case "$1" in
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-h|--help)
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printf "pinfo: Display system information from /proc and /sys (no external tools required).\n"
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printf "Usage: pinfo\n"
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return 0
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;;
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--)
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shift
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break
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;;
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*)
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disp E "Invalid options, use \"pinfo --help\" to display usage."
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return 1
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;;
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esac
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done
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# --- Hostname ---
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local hostname_str
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if [[ -r /proc/sys/kernel/hostname ]]; then
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read -r hostname_str < /proc/sys/kernel/hostname
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else
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hostname_str="${HOSTNAME:-unknown}"
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fi
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# --- OS release (security: parsed line by line, never sourced) ---
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# /usr/lib/os-release is the documented fallback location. Values may be
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# wrapped in double or single quotes.
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local os_name="Unknown" os_version="" _osr_file=""
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if [[ -r /etc/os-release ]]; then
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_osr_file=/etc/os-release
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elif [[ -r /usr/lib/os-release ]]; then
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_osr_file=/usr/lib/os-release
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fi
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if [[ -n $_osr_file ]]; then
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local _osr_key _osr_val
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while IFS='=' read -r _osr_key _osr_val; do
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_osr_val="${_osr_val//\"/}"
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_osr_val="${_osr_val//\'/}"
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case "$_osr_key" in
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NAME) os_name="$_osr_val" ;;
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VERSION_ID) os_version="$_osr_val" ;;
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esac
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done < "$_osr_file"
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fi
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# --- Kernel release ---
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local kernel_str="unknown"
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[[ -r /proc/sys/kernel/osrelease ]] && read -r kernel_str < /proc/sys/kernel/osrelease
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# --- Architecture (set by bash at startup from the ELF interpreter) ---
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local arch_str="${HOSTTYPE:-unknown}"
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# --- Uptime (seconds from /proc/uptime) ---
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local uptime_str="unknown"
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if [[ -r /proc/uptime ]]; then
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local _upraw
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read -r _upraw _ < /proc/uptime
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local _upsec="${_upraw%%.*}"
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local _days=$(( _upsec / 86400 ))
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local _hours=$(( (_upsec % 86400) / 3600 ))
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local _mins=$(( (_upsec % 3600) / 60 ))
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local _secs=$(( _upsec % 60 ))
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uptime_str=""
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(( _days > 0 )) && uptime_str+="${_days}d "
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(( _hours > 0 || _days > 0 )) && uptime_str+="${_hours}h "
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uptime_str+="${_mins}m ${_secs}s"
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fi
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# --- Load average ---
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local load_str="unknown"
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if [[ -r /proc/loadavg ]]; then
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local _l1 _l5 _l15
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read -r _l1 _l5 _l15 _ < /proc/loadavg
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load_str="${_l1} ${_l5} ${_l15} (1/5/15 min)"
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fi
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# --- CPU model and logical/physical core count (pure bash) ---
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local cpu_model="unknown" cpu_threads=0
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local -A _seen_cores=()
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local _cur_phys="" _cpu_line
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if [[ -r /proc/cpuinfo ]]; then
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while IFS= read -r _cpu_line; do
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case "$_cpu_line" in
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"model name"*|"Model name"*|"Hardware"*)
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[[ "$cpu_model" == "unknown" ]] && cpu_model="${_cpu_line#*: }"
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;;
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"processor"*)
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cpu_threads=$(( cpu_threads + 1 ))
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;;
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"physical id"*)
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_cur_phys="${_cpu_line#*: }"
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;;
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"core id"*)
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_seen_cores["${_cur_phys}:${_cpu_line#*: }"]=1
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;;
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esac
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done < /proc/cpuinfo
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fi
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local cpu_cores="${#_seen_cores[@]}"
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(( cpu_cores == 0 )) && cpu_cores=$cpu_threads
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# --- Memory (pure bash, /proc/meminfo, values in kB) ---
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# MemAvailable only exists since Linux 3.14; on older kernels it is
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# estimated as free + buffers + cached.
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local mem_total=0 mem_available=-1 mem_free=0 mem_buffers=0 mem_cached=0
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local swap_total=0 swap_free=0
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if [[ -r /proc/meminfo ]]; then
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local _mkey _mval _munit
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while read -r _mkey _mval _munit; do
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case "${_mkey%:}" in
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MemTotal) mem_total="$_mval" ;;
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MemAvailable) mem_available="$_mval" ;;
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MemFree) mem_free="$_mval" ;;
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Buffers) mem_buffers="$_mval" ;;
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Cached) mem_cached="$_mval" ;;
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SwapTotal) swap_total="$_mval" ;;
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SwapFree) swap_free="$_mval" ;;
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esac
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done < /proc/meminfo
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fi
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(( mem_available < 0 )) && mem_available=$(( mem_free + mem_buffers + mem_cached ))
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local mem_total_mib=$(( mem_total / 1024 ))
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local mem_used_mib=$(( (mem_total - mem_available) / 1024 ))
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local swap_total_mib=$(( swap_total / 1024 ))
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local swap_used_mib=$(( (swap_total - swap_free) / 1024 ))
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# --- Process count (glob over numeric /proc entries) ---
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local proc_count=0 _pdir
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for _pdir in /proc/[0-9]*/; do
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[[ -d "$_pdir" ]] && proc_count=$(( proc_count + 1 ))
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done
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# --- Shell and terminal ---
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local shell_str="${BASH:-bash} ${BASH_VERSION%\(*}"
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local term_str="${TERM:-unknown}"
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# --- GPU (no external tools required; sysfs first, then /proc/bus/pci) ---
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local -a gpu_list=()
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local _gdir _gname _uev_key _uev_val _uev_driver _uev_pci
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# Preferred: sysfs drm — each card has a device/uevent file readable
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# without root, giving the PCI id and the kernel driver in use. A label
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# file (rarely provided by drivers) wins when present.
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for _gdir in /sys/class/drm/card[0-9]*/device; do
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[[ -d "$_gdir" ]] || continue
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# Connector entries (card0-eDP-1, card0-HDMI-A-1, ...) also carry a
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# "device" link to the same GPU: keep the plain "cardN" entries only.
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_gname="${_gdir%/device}"
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[[ "${_gname##*/}" =~ ^card[0-9]+$ ]] || continue
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_gname=""
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_uev_driver="" _uev_pci=""
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if [[ -r "$_gdir/uevent" ]]; then
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while IFS='=' read -r _uev_key _uev_val; do
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case "$_uev_key" in
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DRIVER) _uev_driver="$_uev_val" ;;
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PCI_ID) _uev_pci="$_uev_val" ;;
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esac
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done < "$_gdir/uevent"
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[[ -n "$_uev_pci" ]] && _gname="PCI ${_uev_pci}"
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[[ -n "$_uev_driver" ]] && _gname+=" (${_uev_driver})"
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fi
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if [[ -r "$_gdir/label" ]]; then
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read -r _gname < "$_gdir/label"
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elif [[ -r "$_gdir/../label" ]]; then
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read -r _gname < "$_gdir/../label"
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fi
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[[ -z "$_gname" ]] && _gname="unknown GPU"
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gpu_list+=("$_gname")
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done
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# Fallback: /proc/bus/pci/devices. It holds no human-readable name: the
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# tab-separated fields are the bus address, vendor+device ids (8 hex
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# digits), IRQ, the base addresses and sizes, then the kernel driver name
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# as the last field when one is bound. Only well-known GPU drivers are
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# reported, as vendor ids alone also match every other device of a vendor.
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if (( ${#gpu_list[@]} == 0 )) && [[ -r /proc/bus/pci/devices ]]; then
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local -a _pci=()
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local _pci_id _pci_drv
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while IFS=$'\t' read -r -a _pci; do
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_pci_drv="${_pci[-1]// /}"
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case "$_pci_drv" in
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i915|xe|amdgpu|radeon|nouveau|nvidia|virtio-pci|vmwgfx|qxl|bochs-drm|cirrus|mgag200|ast)
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_pci_id="${_pci[1]}"
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gpu_list+=("PCI ${_pci_id:0:4}:${_pci_id:4:4} (${_pci_drv})")
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;;
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esac
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done < /proc/bus/pci/devices
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fi
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# --- Render ---
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# Colours are dropped under NO_COLOR, like everywhere else in the profile.
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local _lbl="${BIWhite:-}" _val="${ICyan:-}" _rst="${DEFAULTCOL:-}"
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if [[ -n ${NO_COLOR:-} ]]; then
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_lbl="" _val="" _rst=""
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fi
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printf "\n"
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_row "Hostname" "$hostname_str"
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_row "OS" "${os_name}${os_version:+ $os_version}"
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_row "Kernel" "$kernel_str"
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_row "Arch" "$arch_str"
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_row "Uptime" "$uptime_str"
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_row "Load avg" "$load_str"
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_row "CPU" "$cpu_model"
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_row "Cores" "${cpu_cores} physical, ${cpu_threads} logical"
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if (( ${#gpu_list[@]} > 0 )); then
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local _gi
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for _gi in "${!gpu_list[@]}"; do
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local _gpu_lbl="GPU"
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(( ${#gpu_list[@]} > 1 )) && _gpu_lbl="GPU $(( _gi + 1 ))"
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_row "$_gpu_lbl" "${gpu_list[$_gi]}"
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done
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fi
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_row "Memory" "${mem_used_mib} MiB used / ${mem_total_mib} MiB total"
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if (( swap_total > 0 )); then
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_row "Swap" "${swap_used_mib} MiB used / ${swap_total_mib} MiB total"
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fi
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_row "Processes" "$proc_count"
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_row "Shell" "$shell_str"
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_row "Terminal" "$term_str"
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printf "\n"
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unset -f _row
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}
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export -f pinfo
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# ------------------------------------------------------------------------------
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# ------------------------------------------------------------------------------
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# Display system general information
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# Usage: showinfo
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showinfo()
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{
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local PARSED
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PARSED=$(getopt -o h --long help -n 'showinfo' -- "$@")
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# shellcheck disable=SC2181 # getopt return code is checked immediately after
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if [[ $? -ne 0 ]]; then
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disp E "Invalid options, use \"showinfo --help\" to display usage."
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return 1
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fi
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# Restore the getopt-normalised (shell-quoted) argument list
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local -a _pargs=()
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_getopt_split _pargs "$PARSED"
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set -- "${_pargs[@]}"
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while true; do
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case "$1" in
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-h|--help)
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printf "showinfo: Display system information (hostname, kernel, uptime and fetch output when available).\n"
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printf "Usage: showinfo\n"
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return 0
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;;
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--)
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shift
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break
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;;
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*)
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disp E "Invalid options, use \"showinfo --help\" to display usage."
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return 1
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;;
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esac
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done
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local hostname_str figopt=()
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# /proc first: the hostname binary is missing from minimal installations
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if [[ -r /proc/sys/kernel/hostname ]]; then
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read -r hostname_str < /proc/sys/kernel/hostname
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else
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hostname_str="${HOSTNAME:-$(hostname 2>/dev/null)}"
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fi
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printf "\n"
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if command -v figlet >/dev/null 2>&1; then
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[[ -s /usr/share/figlet/ansi_shadow.flf ]] && \
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figopt=(-f ansi_shadow)
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figlet -k "${figopt[@]}" "$hostname_str"
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else
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printf "%s\n" "$hostname_str"
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fi
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printf "\n"
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if command -v fastfetch >/dev/null 2>&1; then
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fastfetch
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elif command -v neofetch >/dev/null 2>&1; then
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neofetch
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else
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pinfo "$@"
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fi
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}
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export -f showinfo
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# ------------------------------------------------------------------------------
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# EOF
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