# Created on savesnippets.com · https://savesnippets.com/7JGlthtxVOLLb4
banner() {
    local IFS=$'\n'
    local -a lines=($*)
    local max=0 len
    for l in "${lines[@]}"; do
        len=${#l}
        (( len > max )) && max=$len
    done
    local bar
    bar=$(printf '─%.0s' $(seq 1 $((max + 2))))
    printf "┌%s┐\n" "$bar"
    for l in "${lines[@]}"; do
        printf "│ %-*s │\n" "$max" "$l"
    done
    printf "└%s┘\n" "$bar"
}

banner "Deploy completed" \
       "Version: v2.3.1" \
       "Duration: 47s"
# ┌─────────────────────┐
# │ Deploy completed    │
# │ Version: v2.3.1     │
# │ Duration: 47s       │
# └─────────────────────┘