tmux2k/scripts/utils.sh

#!/usr/bin/env bash

get_tmux_option() {
    local option=$1
    local default_value=$2
    local option_value=$(tmux show-option -gqv "$option")
    if [ -z "$option_value" ]; then
        echo $default_value
    else
        echo $option_value
    fi
}

# normalize the percentage string to always have a length of 5
normalize_percent_len() {
    # the max length that the percent can reach, which happens for a two digit number with a decimal house: "99.9%"
    max_len=5
    percent_len=${#1}
    let diff_len=$max_len-$percent_len
    # if the diff_len is even, left will have 1 more space than right
    let left_spaces=($diff_len + 1)/2
    let right_spaces=($diff_len)/2
    printf "%${left_spaces}s%s%${right_spaces}s\n" "" $1 ""
}