CPU and RAM percentage usage as 2-digit integer padded outputs

[samoshkin#17}(samoshkin#17)

Author: slange-dev

scripts/cpu.sh

@@ -34,9 +34,9 @@ get_cpu_color(){
 print_cpu_usage() {
   local cpu_pused=$(get_cpu_usage_or_collect)
   local cpu_color=$(get_cpu_color "$cpu_pused")
-  
+
   local cpu_view="$cpu_view_tmpl"
-  cpu_view="${cpu_view//'#{cpu.pused}'/$(printf "%.1f%%" "$cpu_pused")}"
+  cpu_view="${cpu_view//'#{cpu.pused}'/$(printf "%2.0f%%" "$cpu_pused")}"
   cpu_view="${cpu_view//'#{cpu.color}'/$(echo "$cpu_color" | awk '{ print $1 }')}"
   cpu_view="${cpu_view//'#{cpu.color2}'/$(echo "$cpu_color" | awk '{ print $2 }')}"
   cpu_view="${cpu_view//'#{cpu.color3}'/$(echo "$cpu_color" | awk '{ print $3 }')}"
@@ -60,7 +60,7 @@ start_cpu_collect_if_required() {
   if [ -f "$collect_cpu_pidfile" ] && ps -p "$(cat "$collect_cpu_pidfile")" > /dev/null 2>&1; then
     return;
   fi
-  
+
   jobs >/dev/null 2>&1
   "$CURRENT_DIR/cpu_collect.sh" &>/dev/null &
   if [ -n "$(jobs -n)" ]; then

scripts/mem.sh

@@ -35,10 +35,10 @@ print_mem() {
   local mem_usage
   local scale
   local size_format
-  
+
   if is_osx; then
     mem_usage=$(get_mem_usage_osx)
-  elif is_linux; then 
+  elif is_linux; then
     mem_usage=$(get_mem_usage_linux)
   elif is_freebsd; then
     mem_usage=$(get_mem_usage_freebsd)
@@ -53,16 +53,16 @@ print_mem() {
   local mem_total=$(echo "$mem_free + $mem_used" | calc)
   local mem_pused=$(echo "($mem_used / $mem_total) * 100" | calc)
   local mem_pfree=$(echo "($mem_free / $mem_total) * 100" | calc)
-  
+
   # Calculate colors for mem and swap
   local mem_color=$(get_mem_color "$mem_pused")
-  
+
   local mem_view="$mem_view_tmpl"
   mem_view="${mem_view//'#{mem.used}'/$(printf "$size_format" "$mem_used" "$size_unit")}"
-  mem_view="${mem_view//'#{mem.pused}'/$(printf "%.0f%%" "$mem_pused")}"
+  mem_view="${mem_view//'#{mem.pused}'/$(printf "%2.0f%%" "$mem_pused")}"
   mem_view="${mem_view//'#{mem.free}'/$(printf "$size_format" "$mem_free" "$size_unit")}"
-  mem_view="${mem_view//'#{mem.pfree}'/$(printf "%.0f%%" "$mem_pfree")}"
-  mem_view="${mem_view//'#{mem.total}'/$(printf "$size_format" "$mem_total" "$size_unit")}"  
+  mem_view="${mem_view//'#{mem.pfree}'/$(printf "%2.0f%%" "$mem_pfree")}"
+  mem_view="${mem_view//'#{mem.total}'/$(printf "$size_format" "$mem_total" "$size_unit")}"
   mem_view="${mem_view//'#{mem.color}'/$(echo "$mem_color" | awk '{ print $1 }')}"
   mem_view="${mem_view//'#{mem.color2}'/$(echo "$mem_color" | awk '{ print $2 }')}"
   mem_view="${mem_view//'#{mem.color3}'/$(echo "$mem_color" | awk '{ print $3 }')}"
@@ -76,19 +76,19 @@ print_mem() {
 # free = free + inactive + speculative + occupied by compressor
 # see `vm_stat` command
 get_mem_usage_osx(){
-  
+
   local page_size=$(sysctl -nq "vm.pagesize")
   vm_stat | awk -v page_size=$page_size -F ':' '
     BEGIN { free=0; used=0 }
-    
-    /Pages active/ || 
-    /Pages wired/ { 
+
+    /Pages active/ ||
+    /Pages wired/ {
       gsub(/^[ \t]+|[ \t]+$/, "", $2); used+=$2;
     }
-    /Pages free/ || 
-    /Pages inactive/ || 
-    /Pages speculative/ || 
-    /Pages occupied by compressor/ { 
+    /Pages free/ ||
+    /Pages inactive/ ||
+    /Pages speculative/ ||
+    /Pages occupied by compressor/ {
       gsub(/^[ \t]+|[ \t]+$/, "", $2); free+=$2;
     }
 
@@ -103,7 +103,7 @@ get_mem_usage_freebsd(){
 
 # Method #1. Sum up free+buffers+cached, treat it as "available" memory, assuming buff+cache can be reclaimed. Note, that this assumption is not 100% correct, buff+cache most likely cannot be 100% reclaimed, but this is how memory calculation is used to be done on Linux
 
-# Method #2. If "MemAvailable" is provided by system, use it. This is more correct method, because we're not relying on fragile "free+buffer+cache" equation. 
+# Method #2. If "MemAvailable" is provided by system, use it. This is more correct method, because we're not relying on fragile "free+buffer+cache" equation.
 
 # See: Interpreting /proc/meminfo and free output for Red Hat Enterprise Linux 5, 6 and 7 - Red Hat Customer Portal - https://access.redhat.com/solutions/406773
 
@@ -112,7 +112,7 @@ get_mem_usage_linux(){
   </proc/meminfo awk '
     BEGIN { total=0; free=0; }
       /MemTotal:/ { total=$2; }
-      
+
       /MemFree:/ { free+=$2; }
       /Buffers:/ { free+=$2; }
       /Cached:/ { free+=$2; }