Add new "cpu_percentage_format" & "gpu_percentage_format" option

Author: ctjhoa

README.md

@@ -98,6 +98,7 @@ Here are all available options with their default values:
 @cpu_medium_bg_color "#[bg=yellow]"
 @cpu_high_bg_color "#[bg=red]"
 
+@cpu_percentage_format "%3.1f%%" # printf format
 ```
 
 Same options are valid with `@gpu`
@@ -108,6 +109,7 @@ You can can customize each one of these options in your `.tmux.conf`, for exampl
 
 ```shell
 set -g @cpu_low_fg_color "#[fg=#00ff00]"
+set -g @cpu_percentage_format "%5.1f%%" # Add left padding
 ```
 
 Don't forget to reload tmux environment (`$ tmux source-file ~/.tmux.conf`)

scripts/cpu_percentage.sh

@@ -4,29 +4,32 @@ CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
 source "$CURRENT_DIR/helpers.sh"
 
+cpu_percentage_format="%3.1f%%"
+
 print_cpu_percentage() {
+  cpu_percentage_format=$(get_tmux_option "@cpu_percentage_format" "$cpu_percentage_format")
 
   if command_exists "iostat"; then
 
     if is_linux_iostat; then
-      iostat -c 1 2 | sed '/^\s*$/d' | tail -n 1 | awk '{usage=100-$NF} END {printf("%3.1f%%", usage)}' | sed 's/,/./'
+      iostat -c 1 2 | sed '/^\s*$/d' | tail -n 1 | awk -v format="$cpu_percentage_format" '{usage=100-$NF} END {printf(format, usage)}' | sed 's/,/./'
     elif is_osx; then
-      iostat -c 2 disk0 | sed '/^\s*$/d' | tail -n 1 | awk '{usage=100-$6} END {printf("%3.1f%%", usage)}' | sed 's/,/./'
+      iostat -c 2 disk0 | sed '/^\s*$/d' | tail -n 1 | awk -v format="$cpu_percentage_format" '{usage=100-$6} END {printf(format, usage)}' | sed 's/,/./'
     elif is_freebsd || is_openbsd; then
-      iostat -c 2 | sed '/^\s*$/d' | tail -n 1 | awk '{usage=100-$NF} END {printf("%3.1f%%", usage)}' | sed 's/,/./'
+      iostat -c 2 | sed '/^\s*$/d' | tail -n 1 | awk -v format="$cpu_percentage_format" '{usage=100-$NF} END {printf(format, usage)}' | sed 's/,/./'
     else
       echo "Unknown iostat version please create an issue"
     fi
   elif command_exists "sar"; then
-    sar -u 1 1 | sed '/^\s*$/d' | tail -n 1 | awk '{usage=100-$NF} END {printf("%3.1f%%", usage)}' | sed 's/,/./'
+    sar -u 1 1 | sed '/^\s*$/d' | tail -n 1 | awk -v format="$cpu_percentage_format" '{usage=100-$NF} END {printf(format, usage)}' | sed 's/,/./'
   else
     if is_cygwin; then
       usage="$(WMIC cpu get LoadPercentage | grep -Eo '^[0-9]+')"
-      printf "%3.1f%%" $usage
+      printf "$cpu_percentage_format" "$usage"
     else
       load=`ps -aux | awk '{print $3}' | tail -n+2 | awk '{s+=$1} END {print s}'`
       cpus=$(cpus_number)
-      echo "$load $cpus" | awk '{printf "%3.1f%%", $1/$2}'
+      echo "$load $cpus" | awk -v format="$cpu_percentage_format" '{printf format, $1/$2}'
     fi
   fi
 }

scripts/gpu_percentage.sh

@@ -4,7 +4,11 @@ CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
 source "$CURRENT_DIR/helpers.sh"
 
+gpu_percentage_format="%3.1f%%"
+
 print_gpu_percentage() {
+  gpu_percentage_format=$(get_tmux_option "@gpu_percentage_format" "$gpu_percentage_format")
+
   if command_exists "nvidia-smi"; then
     loads=$(nvidia-smi)
   elif command_exists "cuda-smi"; then
@@ -16,7 +20,7 @@ print_gpu_percentage() {
   loads=$(echo "$loads" | sed -nr 's/.*\s([0-9]+)%.*/\1/p')
   gpus=$(echo "$loads" | wc -l)
   load=$(echo "$loads" | awk '{count+=$1} END {print count}')
-  echo "$load $gpus" | awk '{printf "%3.0f%%", $1/$2}'
+  echo "$load $gpus" | awk -v format="$gpu_percentage_format" '{printf format, $1/$2}'
 }
 
 main() {