shell script로 checkbox 표현하기

코드 참고.. 

 

checkbox.sh

#!/bin/bash

 

tput civis

echo -e "\033[6n"

read -sdR CURPOS

CURPOS=${CURPOS#*[}

ROW=${CURPOS%;*}

LINE=`tput lines`

 

options=("$@")

max="${#}"

current=0

update=1

 

for (( i=0 ; i<max ; i++ ));do

selected[${i}]=false

done

 

function keyboard(){

update=1

IFS= read -r -sn1 t

if [[ $t == A ]]; then

[[ "$current" == "0" ]] || current=$((current - 1))

elif [[ $t == B ]]; then

[[ "$current" == "$1" ]] || current=$((current + 1))

elif [[ $t == " " ]];then

[[ "${selected[${current}]}" == false ]] && selected[${current}]=true || selected[${current}]=false

elif [[ $t == "" ]];then

return 1

else

update=0

fi

}

 

function display(){

if [ $(($ROW+$max)) -le $LINE ];then

tput cup $ROW 0

fi

 

for (( i=0 ; i<max ; i++ )); do

if [[ ${current} == "${i}" && ${selected[${i}]} == true ]];then

printf "\e[0;90m[\e[0;92m*\e[0;90m] \e[0m\e[0;92m%s\e[0m\n" "${options[$i]}"

elif [[ ${current} == "${i}" && ${selected[${i}]} == false ]];then

printf "\e[0;90m[ ] \e[0m\e[0;92m%s\e[0m\n" "${options[$i]}"

elif [[ ${selected[${i}]} == true ]];then

printf "\e[0;90m[\e[0;92m*\e[0;90m] \e[0m\e[1;77m%s\e[0m\n" "${options[$i]}"

elif [[ ${selected[${i}]} == false ]];then

printf "\e[0;90m[ ] \e[0m\e[1;77m%s\e[0m\n" "${options[$i]}"

fi

done

if [ $(($ROW+$max)) -gt $LINE ];then

for (( i=0 ; i<$max ; i++ )); do

tput cuu1

done

fi

}

 

while true; do

if [[ $update -eq 1 ]];then

display "$@"

fi

keyboard $((max-1))

if [[ $? -eq 1 ]]; then

no_selected=true

for (( i=0 ; i<max ; i++ )); do

if [[ ${selected[$i]} == true ]]; then

no_selected=false

fi

done

if [ $no_selected == true ]; then

continue

fi

if [ $(($ROW+$max)) -gt $LINE ];then

tput cup $ROW 0

tput cnorm

fi

break

fi

done

 

current=-1

export selected # used in lupa_envsetup.sh

export max # used in lupa_envsetup.sh

 

example.sh

#!/bin/bash

 

option=("Option 1" "Option 2" "Option 3" "Option 4" "Option 5")

source checkbox.sh "${option[@]}"

 

printf "\n[ "

for (( i=0 ; i<max ; i++ )); do

if [[ ${selected[$i]} == true ]]; then

printf "${option[$i]} "

fi

done

printf "] is selected\n"

 

사용 예시

./example.sh

 

 

출처 내용을 기반으로 오동작하는 부분 추가 수정함. 

 

 

출처 : https://github.com/HadiDotSh/bash-checkbox