refactor: rename plugin scripts

scripts/cpu.sh

@@ -0,0 +1,57 @@
+#!/usr/bin/env bash
+# setting the locale, some users have issues with different locales, this forces the correct one
+export LC_ALL=en_US.UTF-8
+
+current_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+source "$current_dir"/utils.sh
+
+get_percent() {
+    case $(uname -s) in
+    Linux)
+        percent=$(LC_NUMERIC=en_US.UTF-8 top -bn2 -d 0.01 | grep "Cpu(s)" | tail -1 | sed "s/.*, *\([0-9.]*\)%* id.*/\1/" | awk '{print 100 - $1"%"}')
+        normalize_percent_len "$percent"
+        ;;
+
+    Darwin)
+        cpuvalue=$(ps -A -o %cpu | awk -F. '{s+=$1} END {print s}')
+        cpucores=$(sysctl -n hw.logicalcpu)
+        cpuusage=$((cpuvalue / cpucores))
+        percent="$cpuusage%"
+        normalize_percent_len $percent
+        ;;
+
+    CYGWIN* | MINGW32* | MSYS* | MINGW*)
+        # TODO - windows compatability
+        ;;
+    esac
+}
+
+get_load() {
+    case $(uname -s) in
+    Linux | Darwin)
+        loadavg=$(uptime | awk -F'[a-z]:' '{ print $2}' | sed 's/,//g')
+        echo "$loadavg"
+        ;;
+
+    CYGWIN* | MINGW32* | MSYS* | MINGW*)
+        # TODO - windows compatability
+        ;;
+    esac
+}
+
+main() {
+    # storing the refresh rate in the variable RATE, default is 5
+    RATE=$(get_tmux_option "@tmux2k-refresh-rate" 5)
+    cpu_load=$(get_tmux_option "@tmux2k-cpu-display-load" false)
+    if [ "$cpu_load" = true ]; then
+        echo "$(get_load)"
+    else
+        cpu_label=$(get_tmux_option "@tmux2k-cpu-usage-label" "")
+        cpu_percent=$(get_percent)
+        echo "$cpu_label $cpu_percent"
+    fi
+    sleep "$RATE"
+}
+
+# run main driver
+main