literate-dotfiles/dotfiles/bash.org

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#+TITLE: Bash Configuration
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:DRAWER:
#+STARTUP: overview
#+LANGUAGE: en
#+EMAIL: dehaeze.thomas@gmail.com
#+AUTHOR: Dehaeze Thomas
#+HTML_LINK_HOME: ./index.html
#+HTML_LINK_UP: ./index.html
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#+HTML_HEAD: <link rel="stylesheet" type="text/css" href="./css/htmlize.css"/>
#+HTML_HEAD: <link rel="stylesheet" type="text/css" href="./css/readtheorg.css"/>
#+HTML_HEAD: <script type="text/javascript" src="./js/jquery.min.js"></script>
#+HTML_HEAD: <script type="text/javascript" src="./js/bootstrap.min.js"></script>
#+HTML_HEAD: <script type="text/javascript" src="./js/jquery.stickytableheaders.min.js"></script>
#+HTML_HEAD: <script type="text/javascript" src="./js/readtheorg.js"></script>
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:END:
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* Bashrc
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:PROPERTIES:
:header-args:bash: :tangle ~/.bashrc
:header-args:bash+: :comments both :mkdirp yes
:END:
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** What does that do?
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#+BEGIN_SRC bash
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[[ $- != *i* ]] && return
#+END_SRC
** Bash Completion
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#+BEGIN_SRC bash
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[ -r /usr/share/bash-completion/bash_completion ] && . /usr/share/bash-completion/bash_completion
#+END_SRC
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** Ignore case for autocompletion
#+BEGIN_SRC bash
bind "set completion-ignore-case on"
bind "set show-all-if-ambiguous on"
#+END_SRC
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** Use Color
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#+BEGIN_SRC bash
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use_color=true
alias ls='ls -hN --color=auto --group-directories-first'
alias grep='grep --colour=auto'
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#+END_SRC
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** Set colorful PS1 only on colorful terminals.
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dircolors --print-database uses its own built-in database instead of using /etc/DIR_COLORS. Try to use the external file first to take advantage of user additions. Use internal bash globbing instead of external grep binary.
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#+BEGIN_SRC bash
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safe_term=${TERM//[^[:alnum:]]/?} # sanitize TERM
match_lhs=""
[[ -f ~/.dir_colors ]] && match_lhs="${match_lhs}$(<~/.dir_colors)"
[[ -f /etc/DIR_COLORS ]] && match_lhs="${match_lhs}$(</etc/DIR_COLORS)"
[[ -z ${match_lhs} ]] \
&& type -P dircolors >/dev/null \
&& match_lhs=$(dircolors --print-database)
[[ $'\n'${match_lhs} == *$'\n'"TERM "${safe_term}* ]] && use_color=true
if ${use_color} ; then
# Enable colors for ls, etc. Prefer ~/.dir_colors #64489
if type -P dircolors >/dev/null ; then
if [[ -f ~/.dir_colors ]] ; then
eval $(dircolors -b ~/.dir_colors)
elif [[ -f /etc/DIR_COLORS ]] ; then
eval $(dircolors -b /etc/DIR_COLORS)
fi
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fi
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if [[ ${EUID} == 0 ]] ; then
PS1='\[\033[01;31m\][\h\[\033[01;36m\] \W\[\033[01;31m\]]\$\[\033[00m\] '
else
PS1='\[\033[01;32m\][\u@\h\[\033[01;37m\] \W\[\033[01;32m\]]\$\[\033[00m\] '
fi
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else
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if [[ ${EUID} == 0 ]] ; then
# show root@ when we don't have colors
PS1='\u@\h \W \$ '
else
PS1='\u@\h \w \$ '
fi
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fi
#+END_SRC
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** Some config
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#+BEGIN_SRC bash
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unset use_color safe_term match_lhs sh
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xhost +local:root > /dev/null 2>&1
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complete -cf sudo
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# Line wrap on window resize
shopt -s checkwinsize
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shopt -s expand_aliases
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# Auto "cd" when entering just a path
shopt -s autocd
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# Enable history appending instead of overwriting
shopt -s histappend
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#+END_SRC
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** Prompt
#+BEGIN_SRC bash
export PS1="\[$(tput bold)\]\[$(tput setaf 1)\][\[$(tput setaf 3)\]\u\[$(tput setaf 2)\]@\[$(tput setaf 4)\]\h \[$(tput setaf 5)\]\W\[$(tput setaf 1)\]]\[$(tput setaf 7)\]\\$ \[$(tput sgr0)\]"
#+END_SRC
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** SSH Agent
#+begin_src bash
# if ! pgrep -u "$USER" ssh-agent > /dev/null; then
# ssh-agent > "$XDG_RUNTIME_DIR/ssh-agent.env"
# fi
# if [[ ! "$SSH_AUTH_SOCK" ]]; then
# eval "$(<"$XDG_RUNTIME_DIR/ssh-agent.env")"
# fi
#+end_src
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** Rebind up and down arrow keys to search through bash history
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#+BEGIN_SRC bash
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bind '"\e[A": history-search-backward'
bind '"\e[B": history-search-forward'
#+END_SRC
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** Aliases
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*** Better defaults for some commands
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#+BEGIN_SRC bash
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alias cp="cp -i" # confirm before overwriting something
alias df='df -h' # human-readable sizes
alias free='free -m' # show sizes in MB
alias mutt="neomutt"
alias tmux='tmux -f $XDG_CONFIG_HOME/tmux/tmux.conf'
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#+END_SRC
*** One letter aliases
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#+BEGIN_SRC bash
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alias r="ranger"
alias t="tmux"
alias v="nvim"
alias sv='sudo -E nvim'
alias g="git"
alias m="neomutt"
alias y="yadm"
alias o="xdg-open"
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alias x="sxiv -ft *"
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#+END_SRC
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*** Neovim
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#+begin_src bash
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command -v nvim >/dev/null && alias vim="nvim" vimdiff="nvim -d" # Use neovim for vim if present.
#+end_src
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*** Magit
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#+BEGIN_SRC bash
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# alias magit="emacsclient -create-frame --alternate-editor=\"\" --eval '(magit-status)'"
alias magit="nvim -c MagitOnly"
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#+END_SRC
*** Vim-like
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#+BEGIN_SRC bash
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alias :q=exit
alias :e=nvim
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#+END_SRC
*** Print each PATH entry on a separate line
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#+BEGIN_SRC bash
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alias path='echo -e ${PATH//:/\\n}'
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#+END_SRC
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** Functions
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*** Display colors
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#+BEGIN_SRC bash
colors() {
local fgc bgc vals seq0
printf "Color escapes are %s\n" '\e[${value};...;${value}m'
printf "Values 30..37 are \e[33mforeground colors\e[m\n"
printf "Values 40..47 are \e[43mbackground colors\e[m\n"
printf "Value 1 gives a \e[1mbold-faced look\e[m\n\n"
# foreground colors
for fgc in {30..37}; do
# background colors
for bgc in {40..47}; do
fgc=${fgc#37} # white
bgc=${bgc#40} # black
vals="${fgc:+$fgc;}${bgc}"
vals=${vals%%;}
seq0="${vals:+\e[${vals}m}"
printf " %-9s" "${seq0:-(default)}"
printf " ${seq0}TEXT\e[m"
printf " \e[${vals:+${vals+$vals;}}1mBOLD\e[m"
done
echo; echo
done
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}
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#+END_SRC
*** Tree display
=tre= is a shorthand for =tree= with hidden files and color enabled, ignoring
the =.git= directory, listing directories first. The output gets piped into
=less= with options to preserve color and line numbers, unless the output is
small enough for one screen.
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#+BEGIN_SRC bash
function tre() {
tree -aC -I '.git|node_modules|bower_components' --dirsfirst "$@" | less -FRNX;
}
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#+END_SRC
*** Create a new directory and enter it
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#+BEGIN_SRC bash
function mkd() {
mkdir -p "$@" && cd "$_";
}
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#+END_SRC
*** Filesize of directory
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#+BEGIN_SRC bash
function fs() {
if du -b /dev/null > /dev/null 2>&1; then
local arg=-sbh;
else
local arg=-sh;
fi
if [[ -n "$@" ]]; then
du $arg -- "$@";
else
du $arg .[^.]* ./*;
fi;
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}
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#+END_SRC
*** Redirect both standard output and standard error, as well as sending to background
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#+BEGIN_SRC bash
function nullify() {
"$@" >/dev/null 2>&1
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}
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#+END_SRC
*** Send SMS
https://doronbehar.com/articles/using-kdeconnect-to-comfortably-send-sms-messages-from-the-shell/#kdeconnects-builtin-sms-interface
#+begin_src bash
sms(){
local args="$@"
# local phone_number name phone_type
# khard phone --parsable | sort -u | fzf | IFS=$'\t' read -r phone_number name phone_type
local phone_number=$(khard phone --parsable | sort -u | fzf | cut -f1 -d$'\t')
if [[ -z "${phone_number}" ]]; then
echo No recipient was chosen >&2
return
else
# echo "${name}"$'\t'"${phone_number}"$'\t'"${phone_type}" > ${_KDECONNECT_SMS_LAST_RECIPIENT}
kdeconnect-cli --send-sms "${args}" --destination "${phone_number}" --device 4de3b5de2264a17c
# kdeconnect-cli --device ${_KDECONNECT_DEFAULT_DEVICE} --send-sms "${args}" --destination "${phone_number}" && \
# echo sent sms message to ${name} | fribidi
fi
}
#+end_src
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** Bash History
Undocumented feature which sets the size to "unlimited". http://stackoverflow.com/questions/9457233/unlimited-bash-history
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#+BEGIN_SRC bash
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export HISTFILESIZE=
export HISTSIZE=
export HISTTIMEFORMAT="[%F %T] "
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#+END_SRC
Change the file location because certain bash sessions truncate =.bash_history= file upon close. http://superuser.com/questions/575479/bash-history-truncated-to-500-lines-on-each-login
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#+BEGIN_SRC bash
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export HISTFILE=~/.bash_eternal_history
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#+END_SRC
Force prompt to write history after every command. http://superuser.com/questions/20900/bash-history-loss
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#+BEGIN_SRC bash
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PROMPT_COMMAND="history -a; $PROMPT_COMMAND"
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#+END_SRC
* Bash Profile
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:PROPERTIES:
:header-args:bash: :tangle ~/.bash_profile
:header-args:bash+: :comments both :mkdirp yes
:END:
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#+BEGIN_SRC bash
[[ -f ~/.profile ]] && . ~/.profile
[[ -f ~/.bashrc ]] && . ~/.bashrc
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#+END_SRC
* Profile
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:PROPERTIES:
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:header-args:bash: :tangle ~/.profile
:header-args:bash+: :comments both :mkdirp yes
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:END:
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** QT And GTK Themes
#+begin_src bash
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export QT_QPA_PLATFORMTHEME="qt5ct"
export GTK2_RC_FILES="$HOME/.gtkrc-2.0"
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#+END_SRC
** Gui program to ask for sudo password
#+begin_src bash
export SUDO_ASKPASS=~/.local/bin/askpass-rofi
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#+END_SRC
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** Gnome Keyring Daemon
#+begin_src bash
if [ -n "$DESKTOP_SESSION" ];then
eval $(gnome-keyring-daemon --start)
export SSH_AUTH_SOCK
fi
#+end_src
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** Default
#+begin_src bash
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export EDITOR="nvim"
export TERMINAL="termite"
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export BROWSER="qutebrowser"
export READER="zathura"
export FILE="ranger"
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#+END_SRC
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** Exports
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*** Term
This is important for termite to work when sshing in remote machines.
#+begin_src bash
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export TERM=xterm-color
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#+end_src
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*** XDG Default
#+begin_src bash
export XDG_CONFIG_HOME="$HOME/.config"
#+end_src
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*** Better yaourt colors
#+begin_src bash
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export YAOURT_COLORS="nb=1:pkg=1:ver=1;32:lver=1;45:installed=1;42:grp=1;34:od=1;41;5:votes=1;44:dsc=0:other=1;35"
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#+end_src
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*** Use Ripgrep for FZF
#+begin_src bash
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export FZF_DEFAULT_COMMAND='rg --files --no-ignore --hidden --follow --glob "!.git/*"'
export FZF_DEFAULT_OPTS='--layout=reverse --height=20'
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#+end_src
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*** Goland
#+begin_src bash
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export GOPATH=$HOME/go
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#+end_src
*** Latex Path
#+begin_src bash
export TEXMFHOME=$HOME/.local/share/texmf
#+end_src
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** Path
#+begin_src bash
PATH=$HOME/appimages:$PATH
PATH=$HOME/.gem/ruby/2.5.0/bin:$PATH
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PATH=$GOPATH:$GOPATH/bin:$PATH
PATH=~/.local/bin:$PATH
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PATH=~/.emacs.d/bin:$PATH
export PATH
#+END_SRC
* Input
:PROPERTIES:
:header-args: :tangle ~/.inputrc
:header-args+: :comments both :mkdirp yes
:END:
Completion:
#+BEGIN_SRC conf
# Single tab for autocompletion
set show-all-if-ambiguous on
# Ignore case for completion
set completion-ignore-case on
#+END_SRC
vi mode:
#+BEGIN_SRC conf
# VI mode (works in bash and zsh)
set editing-mode vi
# Show which mode (normal or insert)
set show-mode-in-prompt on
# Show the mode by changing the cursor
set vi-ins-mode-string \1\e[6 q\2
set vi-cmd-mode-string \1\e[2 q\2
#+END_SRC
Key-bindings for vi-mode:
#+BEGIN_SRC conf
set keymap vi-command
# these are for vi-command mode
Control-l: clear-screen
Control-a: beginning-of-line
Control-e: end-of-line
Control-w: "\C-aisudo \C-e"
set keymap vi-insert
# these are for vi-insert mode
Control-l: clear-screen
Control-a: beginning-of-line
Control-e: end-of-line
Control-w: "\C-asudo \C-e"
#+END_SRC
Colorized completion
#+begin_src conf
# Color files by types
set colored-stats On
# Append char to indicate type
set visible-stats On
# Mark symlinked directories
set mark-symlinked-directories On
# Color the common prefix
set colored-completion-prefix On
# Color the common prefix in menu-complete
set menu-complete-display-prefix On
#+end_src
Don't echo =^C= after =Ctrl+C= is pressed.
#+begin_src conf
set echo-control-characters off
#+end_src