333 lines
8.1 KiB
Bash
Executable File
333 lines
8.1 KiB
Bash
Executable File
#! /bin/bash
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# _
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# ___ ___ _ __ | | ___ _ __ _ ___ _ __
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# / __/ _ \| '_ \| |/ / | | |/ _` |/ _ \ '_ \
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# | (_| (_) | | | | <| |_| | (_| | __/ | | |
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# \___\___/|_| |_|_|\_\\__, |\__, |\___|_| |_|
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# |___/ |___/
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#
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# conkygen.sh
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# Create a Conky configuration file dynamically
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#
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# Copyright (c) 2020 Vintage Salt <rehashedsalt@cock.li>
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# Distributed under the terms of the MIT License
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#
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set -e
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# Read-only set-once variables
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declare -r _name="$(basename -- "$0")"
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# Options
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declare _optout="${XDG_CONFIG_HOME:-$HOME/.config}/conky/conky.conf"
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declare -i _optbar=1
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declare -i _optgraph=1
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declare -i _opthelp
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declare -i _optverbose
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declare -i _opttopitems=4
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# Working variables
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declare -a _args
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declare _return
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# Helper functions
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log() {
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# Print a line to the terminal if _optverbose is greater than $2
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# $2 defaults to 0
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# loglevel 0: Daily-use messages
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# loglevel 1: Detailed but not quite debugging
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# loglevel 2: Definitely debugging
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[ -z "$1" ] && return 1
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if (( _optverbose >= ${2:-0} )); then
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printf "%s\\n" "$1"
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fi
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}
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warn() {
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# Print a yellow line to the terminal, respecting _optverbose
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[ -z "$1" ] && return 1
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if (( _optverbose >= ${2:-0} )); then
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if [ -t 1 ]; then
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printf "\\e[33m%s\\e[0m\\n" "$1"
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else
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printf "WARN: %s\\n" "$1"
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fi
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fi
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}
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error() {
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# Print a red line to the terminal, exit if $2 is specified
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[ -z "$1" ] && return 1
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if [ -t 2 ]; then
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printf "\\e[31m%s\\e[0m\\n" "$1" 1>&2
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else
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printf "ERROR: %s\\n" "$1" 1>&2
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fi
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[ -z "$2" ] && return
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exit "${2:-1}"
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}
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has() {
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# Parse out all arguments and try to find them in path
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# If an argument cannot be found, set _return and fail
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for prog in "$@"; do
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if ! command -v "$prog" > /dev/null 2>&1; then
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_return="$prog"
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return 1
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fi
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done
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return 0
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}
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# Core program functions
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printhelp() {
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cat << EOF
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Usage: $_name [OPTION]...
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Generate a conky.conf configuration file in the current directory
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-o Specify output file. Defaults to
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~/.config/conky/conky.conf
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-b Hide bars
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-g Hide graphs
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-h Print this help text
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-t Number of items to print in top lists. Defaults to 4
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-v Print more status messages. Stacks
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Copyright (c) 2020 rehashedsalt@cock.li
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Licensed under the MIT license
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EOF
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}
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step_header() {
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# Clobber output file with header
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cat << EOF > "$_optout"
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-- vim: ts=4 sw=4 noet ai cindent syntax=lua
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-- WARNING:
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-- This file was generated with conkygen. See gen.sh if you need to edit this!
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-- Any changes you make here can and probably will be clobbered!
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EOF
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}
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step_config() {
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# Append config to the output file
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cat << EOF >> "$_optout"
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conky.config = {
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own_window = true,
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own_window_title = 'Conky',
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own_window_class = 'Conky',
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own_window_type = 'desktop',
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own_window_hints = 'undecorated,below,sticky,skip_taskbar,skip_pager',
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own_window_colour = '232629',
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double_buffer = true,
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cpu_avg_samples = 2,
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net_avg_samples = 2,
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no_buffers = true,
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update_interval = 1,
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use_xft = true,
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font = 'Roboto:style=Light:size=9',
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default_color = '#fffcf6',
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color1 = '232629', -- Background
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color2 = 'fffcf6', -- Foreground
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color3 = '4b5162', -- Background-alt
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color4 = '11d116', -- Green (Battery)
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color6 = '1abc9c', -- Cyan (Network)
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color7 = 'fdbc4b', -- Yellow (Disk)
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color8 = '1d99f3', -- Blue (CPU)
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color9 = '9b59b6', -- Magenta (Memory)
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alignment = 'bottom_right',
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xinerama_head = 0,
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minimum_height = 0,
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minimum_width = 304,
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border_width = 0,
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border_outer_margin = 0,
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border_inner_margin = 16,
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gap_x = 27,
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gap_y = 62,
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format_human_readable = true,
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temperature_unit = "celsius",
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if_up_strictness = "link",
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default_bar_height = 11,
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default_bar_width = 130,
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default_graph_height = 36,
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draw_borders = true,
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draw_outline = false,
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draw_graph_borders = true,
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draw_shades = false
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}
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EOF
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}
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step_text() {
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local -r nproc="$(nproc)"
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# Generate our actual functional Conky stuff
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# Header
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cat <<- 'EOF' >> "$_optout"
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conky.text = [[
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${font Roboto:style=Light:size=48}$alignr${time %l:%M %p}$font
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${font Roboto:style=Light:size=24}$alignr${time %A, %B %d, %Y}$font
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${font Roboto:style=Light:size=12}${acpitemp}°C$alignr${no_update $nodename_short}$font
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EOF
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# CPU info
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cat <<- 'EOF' >> "$_optout"
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${color3}$hr$color
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${font Roboto:style=Medium:size=9}CPU$font: $freq_g GHz$alignr$cpu%
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EOF
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if (( _optgraph > 0 )); then
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local gpl=1
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if (( nproc <= 2 )); then
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gpl=1
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elif (( nproc <= 4 )); then
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gpl=2
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elif (( nproc <= 8 )); then
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gpl=4
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else
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gpl=8
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fi
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local width=$(( 400 / gpl ))
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log "Generating $gpl graphs per row of CPU core stats" 1
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log "Graphs will be $width wide" 2
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local cpuinfo
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for i in $(seq 1 "$gpl" "$nproc"); do
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# Generate lines
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local line
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for j in $(seq 0 $(( gpl - 1 ))); do
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# Generate graphs
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local cpu=$(( i + j ))
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log "Generating graph for CPU $cpu" 2
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if [ -z "$line" ]; then
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line="\${cpugraph cpu$cpu 36,$width}"
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else
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line="$line \${cpugraph cpu$cpu 36,$width}"
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fi
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done
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# Trim whitespace
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line="\${color8}${line%" "}\$color"
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log "Appending line: $line" 2
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cpuinfo="$cpuinfo$line\n"
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unset line
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done
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while [ "$cpuinfo" != "${cpuinfo%\\n}" ]; do
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cpuinfo="${cpuinfo%\\n}"
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done
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echo -e "$cpuinfo" >> "$_optout"
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fi
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for i in $(seq $_opttopitems); do
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echo "\${color8}\${top name $i}\$color\$alignr\${top cpu $i}%" >> "$_optout"
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done
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# Memory info
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cat <<- 'EOF' >> "$_optout"
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${color3}$hr$color
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${font Roboto:style=Medium:size=9}Memory$font: $mem / $memmax used$alignr$memperc%
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EOF
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if (( _optgraph > 0 )); then
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echo -e '${color9}${memgraph}$color' >> "$_optout"
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fi
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if (( _optbar > 0 )); then
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echo -e 'Memory$alignr$memeasyfree ${color9}${membar}$color' >> "$_optout"
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if [ -n "$(swapon)" ]; then
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echo "Swap\$alignr\$swapfree \${color9}\${swapbar}\$color" >> "$_optout"
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fi
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fi
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for i in $(seq $_opttopitems); do
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echo "\${color9}\${top_mem name $i}\$color\$alignr\${top_mem mem $i}%" >> "$_optout"
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done
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# Disk info
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cat <<- 'EOF' >> "$_optout"
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${color3}$hr$color
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${font Roboto:style=Medium:size=9}Disk$font (R/W):$alignr${diskio /dev/sda}
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EOF
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if (( _optgraph > 0 )); then
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echo '${color7}${diskiograph_read /dev/sda 36,200} ${diskiograph_write /dev/sda 36,200}$color' >> "$_optout"
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fi
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# Mountpoint detection
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if (( _optbar > 0 )); then
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for mountpoint in / /home /var /usr /opt /boot /boot/efi; do
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if mountpoint $mountpoint > /dev/null 2>&1; then
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echo "$mountpoint\$alignr\${fs_free $mountpoint} \${color7}\${fs_bar $mountpoint}\$color" >> "$_optout"
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fi
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done
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fi
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for i in $(seq $_opttopitems); do
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echo "\${color7}\${top_io name $i}\$color\$alignr\${top_io io_perc $i}%" >> "$_optout"
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done
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# Networking
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cat <<-'EOF' >>"$_optout"
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${color3}$hr$color
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${font Roboto:style=Medium:size=9}Network$font:${alignr}Default $gw_iface${if_up wlp1s0}
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EOF
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for interface in $(iw dev | awk '$1=="Interface"{print $2}'); do
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echo "$interface (U/D): \$alignr\${addr $interface} / \${wireless_essid $interface}" >> "$_optout"
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if (( _optgraph > 0 )); then
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echo "\${color6}\${upspeedgraph $interface 36,200} \${downspeedgraph $interface 36,200}\$color" >> "$_optout"
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fi
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done
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echo "]]" >> "$_optout"
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}
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genconfig() {
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log "Generating config: $_optout"
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step_header
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step_config
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step_text
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}
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# Main
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main() {
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# Parse out arguments
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while [ -n "$1" ]; do
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# Parse out flags
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while getopts ":bgho:t:v" opt; do
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case $opt in
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b)
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_optbar=0
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;;
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g)
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_optgraph=0
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;;
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o)
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_optout="$OPTARG"
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;;
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h)
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_opthelp=1
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;;
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t)
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_opttopitems="$OPTARG"
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;;
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v)
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_optverbose+=1
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;;
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:)
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error "Option requires argument: -$OPTARG" 2
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;;
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*)
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error "Invalid option: -$OPTARG" 2
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;;
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esac
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done
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# Store arguments
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shift $((OPTIND - 1))
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if [ -n "$1" ]; then
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_args+=("$1")
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shift
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fi
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unset OPTIND
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done
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# Early hook for help
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[ -n "$_opthelp" ] && printhelp && exit 0
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# Validate critical options
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if ! (( _opttopitems >= 0 )); then
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error "Option -t requires non-negative integer as argument" 2
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fi
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# Validate core program dependencies
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log "Validating dependencies" 2
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if ! has awk basename iw seq; then
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error "Failed to find program: $_return" 1
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fi
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# Do the do
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genconfig
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exit 0
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}
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main "$@"
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