get_tmux_option(), normalize_percent_len() in scripts/utils.sh

source scripts/utils.sh in dracula.sh, cpu_info.sh, gpu_usage.sh, ram_info.sh
normalize_percent_len for ram_info
custom labels for cpu-usage, gpu-usage, ram-usage

scripts/cpu_info.sh

@@ -2,29 +2,8 @@
 # setting the locale, some users have issues with different locales, this forces the correct one
 export LC_ALL=en_US.UTF-8
 
-# function for getting the refresh rate
-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" "" $1 ""
-}
+current_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+source $current_dir/utils.sh
 
 get_percent()
 {
@@ -52,8 +31,10 @@ main()
 {
   # storing the refresh rate in the variable RATE, default is 5
   RATE=$(get_tmux_option "@dracula-refresh-rate" 5)
+  cpu_label=$(get_tmux_option "@dracula-cpu-usage-label" "CPU")
   cpu_percent=$(get_percent)
-  echo "CPU $cpu_percent"
+  echo "$cpu_label $cpu_percent"
+  # echo "$current_dir"
   sleep $RATE
 }
 

scripts/dracula.sh

@@ -2,16 +2,8 @@
 # setting the locale, some users have issues with different locales, this forces the correct one
 export LC_ALL=en_US.UTF-8
 
-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 $option_value
-  fi
-}
+current_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+source $current_dir/utils.sh
 
 main()
 {

scripts/gpu_usage.sh

@@ -2,17 +2,8 @@
 # setting the locale, some users have issues with different locales, this forces the correct one
 export LC_ALL=en_US.UTF-8
 
-# function for getting the refresh rate
-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 $option_value
-  fi
-}
+current_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+source $current_dir/utils.sh
 
 get_platform()
 {
@@ -31,6 +22,7 @@ get_platform()
       ;;
   esac
 }
+
 get_gpu()
 {
   gpu=$(get_platform)
@@ -39,15 +31,18 @@ get_gpu()
   else
     usage='unknown'
   fi
-  echo $usage
+  normalize_percent_len $usage
 }
+
 main()
 {
   # storing the refresh rate in the variable RATE, default is 5
   RATE=$(get_tmux_option "@dracula-refresh-rate" 5)
+  gpu_label=$(get_tmux_option "@dracula-gpu-usage-label" "GPU")
   gpu_usage=$(get_gpu)
-  echo "GPU $gpu_usage"
+  echo "$gpu_label $gpu_usage"
   sleep $RATE
 }
+
 # run the main driver
 main

scripts/ram_info.sh

@@ -77,8 +77,9 @@ main()
 {
   # storing the refresh rate in the variable RATE, default is 5
   RATE=$(get_tmux_option "@dracula-refresh-rate" 5)
+  ram_label=$(get_tmux_option "@dracula-ram-usage-label" "RAM")
   ram_percent=$(get_percent)
-  echo "RAM $ram_percent"
+  echo "$ram_label $ram_percent"
   sleep $RATE
 }
 

scripts/utils.sh

@@ -0,0 +1,25 @@
+#!/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 ""
+}
+