Shell output/Terminal color

change dispaly color on the terminal

The tput utility uses the terminfo database to make the values of terminal-depen-dent capabilities and information available to the shell (see sh(1)), to initialize or reset the terminal, or return the long name of the requested terminal type.

tput Color Capabilities:

• tput setab [0-7] – Set a background color using ANSI escape
• tput setb [0-7] – Set a background color
• tput setaf [0-7] – Set a foreground color using ANSI escape
• tput setf [0-7] – Set a foreground color

Color Code for tput:

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

bash script example:

#!/bin/bash

set -e

reset=$(tput sgr0)

green=$(tput setaf 2 )
blue=$(tput setaf 25)
red=$(tput setaf 1;tput bold)

info() {
    printf "${blue}➜ %s${reset}\n" "$@"
}
error() {
    printf "${red}× %s${reset}\n" "$@"
}
success() {
    printf "${green}✔ %s${reset}\n" "$@"
}

infoWithTime(){
    printf "${blue}➜ %s${reset}\n" "$@ | now: `date +'%F %T'`"
}

info "setup ,,info......"

error "haha,error..."

success "old color"

printf $(tput setaf 2;tput bold)'color show\n' $(tput sgr0)

printf $(tput setf 2;tput bold)'color show\n' $(tput sgr0)

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