Linux Home and End Keys

2021/09/25 |

Operating system/ Linux

| Linux Operating system

Linux Home and End Keys

Update ~/.profile

export TERM=xterm-256color
export LC_ALL=C.UTF-8

if [ $(id -u) -eq 0 ]; then # you are root, set red colour prompt
  PS1="\\[$(tput setaf 1)\\][\\u@\\h:\\w] \\$ \\[$(tput sgr0)\\]"
else # normal
  PS1="\\[$(tput setaf 2)\\][\\u@\\h:\\w] \\$ \\[$(tput sgr0)\\]"
fi

Print home and end Keys

$ tput cols
80

$ tput khome | cat -v; echo
^[OH

$ tput kend | cat -v; echo
^[OF

$ cat -v
^[[5~^[[F^C

Bind in ~/.bashrc

bind '"\e[1~":"\eOH"'
bind '"\e[4~":"\eOF"'

Bind in ~/.tmux.conf

bind-key -n Home send Escape "OH"
bind-key -n End send Escape "OF"

tput utility

Color capabilities

• tput setab [1-7] – Set a background color using ANSI escape
• tput setb [1-7] – Set a background color
• tput setaf [1-7] – Set a foreground color using ANSI escape
• tput setf [1-7] – Set a foreground color

Text mode capabilities

• tput bold – Set bold mode
• tput dim – turn on half-bright mode
• tput smul – begin underline mode
• tput rmul – exit underline mode
• tput rev – Turn on reverse mode
• tput smso – Enter standout mode (bold on rxvt)
• tput rmso – Exit standout mode
• tput sgr0 – Turn off all attributes

Color code for tput

• 0 – Black
• 1 – Red
• 2 – Green
• 3 – Yellow
• 4 – Blue
• 5 – Magenta
• 6 – Cyan
• 7 – White

Print 256 colors

printf '\e[48;5;%dm ' {0..255}; printf '\e[0m \n'

color(){
    for c; do
        printf '\e[48;5;%dm%03d' $c $c
    done
    printf '\e[0m \n'
}

IFS=$' \t\n'
# color {0..15}
for ((i=0;i<16;i++)); do
    color $(seq $((i*16)) $((i*16+15)))
done