Add functions and misc. to .bashrc
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.bashrc
119
.bashrc
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@ -1,5 +1,5 @@
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#
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# this is my ~/.bashrc
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# .bashrc
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# (Note: this _should_ be _somewhat_ OS-agnostic, at least, enough for me)
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#
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@ -11,11 +11,13 @@
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shopt -s checkwinsize # check window size after cmd, update LINES and COLUMNS
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shopt -s globstar # pattern '**' matches all files, >= 0 dir/subdirs
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#shopt -s expand_aliases # //
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shopt -s histappend # append to history file instead of overwriting
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HISTCONTROL=ignoredups # ignore duplicate commands or if start with a space
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HISTSIZE=48000 # history lines stored in memory (while using bash)
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HISTFILESIZE=48000 # history lines stored in .bash_history after session
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shopt -s histappend # append to history file instead of overwriting
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case "$(uname -s)" in # for OS-specific configuration
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Linux) operating_system='linux' ;;
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@ -43,11 +45,15 @@ if [ "$hostname" = "shorefall" ]; then
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fi
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export PATH
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export BROWSER="firefox"
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if [[ "$operating_system" = "macOS" || "$operating_system" = "BSD" ]] ; then
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export CLICOLOR=1
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fi
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# use 'nvim' if it exists on system
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[ command -v nvim &> /dev/null ] && export EDITOR="nvim" || export EDITOR="vim"
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export BROWSER="firefox"
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# make less more friendly for non-text input files, see lesspipe(1)
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[ -x /usr/bin/lesspipe ] && eval "$(SHELL=/bin/sh lesspipe)"
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@ -67,10 +73,6 @@ if [ -n "$force_color_prompt" ]; then
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fi
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fi
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if [[ "$operating_system" = "macOS" || "$operating_system" = "BSD" ]] ; then
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export CLICOLOR=1
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fi
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# PS1 settings
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#Old PS1: PS1="[\u@\h]:\w\$ "
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if [[ $(id -u) -eq 0 ]]; then # if current user is root
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@ -87,6 +89,8 @@ GCC_COLORS='error=01;31:warning=01;35:note=01;36:caret=01;32:locus=01: quote=01
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export GCC_COLORS
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############################## user functions ##############################
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# find-keyword [directory path] [keyword]: find and list files with keyword in
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# the filename
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find-keyword() {
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@ -110,7 +114,7 @@ find-string() {
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# img_loop_here: $1 = seconds until next photo displayed
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# BUG: currently, after running this function, the user needs to manually run
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# 'reset' to unscrew the terminal
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img_loop_here() {
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img-loop-here() {
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if [ "$1" = "" ]; then
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echo "Usage: img_loop_here [seconds until next photo displayed]"
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else
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@ -122,6 +126,94 @@ img_loop_here() {
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fi
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}
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# rainbow-shell: print out a looping rainbow in the shell. Happy pride month!
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# For best results, run in full-screened terminal (Mod+f in i3)
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rainbow-shell() {
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yes "$(seq 231 -1 16)" | while read i; do
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printf "\x1b[48;5;${i}m\n"
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sleep .02
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done
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}
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# colors - print out current color values set in terminal
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colors() {
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local fgc bgc vals seq0
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printf "Color escapes are %s\n" '\e[${value};...;${value}m'
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printf "Values 30..37 are \e[33mforeground colors\e[m\n"
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printf "Values 40..47 are \e[43mbackground colors\e[m\n"
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printf "Value 1 gives a \e[1mbold-faced look\e[m\n\n"
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# foreground colors
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for fgc in {30..37}; do
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# background colors
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for bgc in {40..47}; do
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fgc=${fgc#37} # white
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bgc=${bgc#40} # black
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vals="${fgc:+$fgc;}${bgc}"
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vals=${vals%%;}
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seq0="${vals:+\e[${vals}m}"
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printf " %-9s" "${seq0:-(default)}"
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printf " ${seq0}TEXT\e[m"
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printf " \e[${vals:+${vals+$vals;}}1mBOLD\e[m"
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done
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echo; echo
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done
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}
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# term-color-vals: print all 256-bit color values in their associated color
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term-color-vals() {
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for i in {0..255}; do
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printf "\x1b[38;5;${i}mcolor%-5i\x1b[0m" $i
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if ! (( ($i + 1 ) % 8 )); then
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echo
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fi
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done
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}
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# ex - archive extractor
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# usage: ex <file>
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ex() {
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if [ -f $1 ] ; then
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case $1 in
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*.tar.bz2) tar xjf $1 ;;
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*.tar.gz) tar xzf $1 ;;
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*.bz2) bunzip2 $1 ;;
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*.rar) unrar x $1 ;;
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*.gz) gunzip $1 ;;
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*.tar) tar xf $1 ;;
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*.tbz2) tar xjf $1 ;;
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*.tgz) tar xzf $1 ;;
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*.zip) unzip $1 ;;
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*.Z) uncompress $1 ;;
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*.7z) 7z x $1 ;;
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*) echo "'$1' cannot be extracted via ex()" ;;
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esac
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else
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echo "'$1' is not a valid file"
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fi
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}
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# public-ip: fetch current public IP address
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public-ip() {
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curl 'http://icanhazip.com/'
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}
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# scan-for-printers: look for printers on the connected LAN
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scan-for-printers() {
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sudo lpinfo -v
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}
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# wifi-strength: get some WiFi statistics in real time
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wifi-strength() {
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watch -n 1 cat /proc/net/wireless
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}
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############################## aliases ##############################
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# Note to self: alias substitution is recursive AS LONG AS each expanded alias
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# ends in a space character (allowing for multiple aliases to be used on one
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# line). This is a POSIX specification. You do not know how long it took me to
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@ -132,12 +224,15 @@ alias cl='clear '
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alias e='exit '
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alias q='exit '
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alias DIE='shutdown now '
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alias cp='cp -i' # confirm before overwriting a file
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alias cp='cp -i ' # confirm before overwriting a file
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alias df='df -h '
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alias fucking='sudo '
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alias goddammit=' '
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alias bottom='top '
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alias bc='bc -l ' # makes bc use 'scale=20' by default
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alias grep='grep --color '
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alias grep='grep --color=auto '
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alias egrep='egrep --color=auto '
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alias fgrep='fgrep --color=auto '
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alias vim="$EDITOR "
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alias i3config="$EDITOR ~/.config/i3/config && i3-msg reload && i3-msg restart"
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alias bashrc="$EDITOR ~/.bashrc"
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@ -177,6 +272,8 @@ else # assume GNU ls (should work on _most_ Linuxes)
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fi
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############################## bash completion ##############################
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# enable programmable completion features (possibly already enabled by
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# /etc/bash.bashrc or /etc/profile).
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if [ -f /usr/share/bash-completion/bash_completion ]; then
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@ -1,5 +0,0 @@
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#!/bin/sh
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# TODO: add other options in case icanhazip.com goes down
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curl 'http://icanhazip.com/'
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@ -1,4 +0,0 @@
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# Shell rainbow. Happy pride month!
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# For best results, run in full-screened terminal (Mod+f in i3)
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yes "$(seq 231 -1 16)" | while read i; do printf "\x1b[48;5;${i}m\n"; sleep .02; done
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@ -1,6 +0,0 @@
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#!/bin/sh
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# because I'll probably forget the actual command
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sudo lpinfo -v
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@ -1,10 +0,0 @@
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#!/usr/bin/env bash
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# prints all of the 256-bit color values in their associated color
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for i in {0..255}; do
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printf "\x1b[38;5;${i}mcolor%-5i\x1b[0m" $i
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if ! (( ($i + 1 ) % 8 )); then
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echo
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fi
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done
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@ -1,4 +0,0 @@
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#!/usr/bin/env bash
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watch -n 1 cat /proc/net/wireless
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