@@ -0,0 +1,1 @@ 
+quickstat

@@ -0,0 +1,3 @@ 
+module quickstat
+
+go 1.20

@@ -0,0 +1,159 @@ 
+package main
+
+import (
+	"os"
+	"time"
+)
+
+var (
+	cpuLoad,
+	cpuMHz,
+	cpuTemp int
+	totalMem,
+	usedMem,
+	takenMem,
+	freeMem,
+	availMem,
+	prctMem,
+	prctBuff,
+	prctFree float64
+)
+
+func errCheck(err error) {
+	if err != nil {
+		os.Exit(1)
+	}
+}
+
+func numFromLine(i int, b []byte, n *float64) int {
+	for ; i < len(b); i++ {
+		if b[i] == 10 {
+			return i + 1
+		}
+		if b[i] >= 48 && b[i] <= 57 {
+			*n = *n*10 + float64(b[i]) - 48
+		}
+	}
+	return i
+}
+
+func getMem() {
+	b := make([]byte, 84)
+	f, err := os.Open("/proc/meminfo")
+	errCheck(err)
+	_, err = f.Read(b)
+	errCheck(err)
+	f.Close()
+
+	i := numFromLine(0, b, &totalMem)
+	totalMem /= 1000
+	i = numFromLine(i, b, &freeMem)
+	freeMem /= 1000
+	_ = numFromLine(i, b, &availMem)
+	availMem /= 1000
+
+	usedMem = totalMem - freeMem
+	takenMem = totalMem - availMem
+	prctMem = takenMem * 100 / totalMem
+	prctBuff = (usedMem - takenMem) * 100 / totalMem
+	prctFree = freeMem * 100 / totalMem
+}
+
+func getCPUTemp() {
+
+	isX86 := func(b []byte) bool {
+		if len(b) < 12 {
+			return false
+		}
+		for i, v := range []byte{120, 56, 54, 95, 112, 107, 103, 95, 116, 101, 109, 112} {
+			if b[i] != v {
+				return false
+			}
+		}
+		return true
+	}
+
+	var (
+		err error = nil
+		i   int   = 0
+		b         = make([]byte, 12)
+	)
+	for ; err == nil && !isX86(b); i++ {
+		b, err = os.ReadFile("/sys/class/thermal/thermal_zone" + string(i+48) + "/type")
+	}
+	errCheck(err)
+	b, err = os.ReadFile("/sys/class/thermal/thermal_zone" + string(i+48-1) + "/temp")
+	errCheck(err)
+	cpuTemp = (int(b[0])-48)*10 + int(b[1]) - 48
+}
+
+func getCPU() {
+	readStat := func(n *[4]float64) {
+		b := make([]byte, 100)
+		f, err := os.Open("/proc/stat")
+		errCheck(err)
+		_, err = f.Read(b)
+		errCheck(err)
+		f.Close()
+		for i, j := 6, 0; j < 4; i++ {
+			if b[i] >= 48 && b[i] <= 57 {
+				n[j] = n[j]*10 + float64(b[i]) - 48
+			} else if b[i] == ' ' {
+				j++
+			}
+		}
+	}
+	var a, b [4]float64
+	readStat(&a)
+	time.Sleep(1 * time.Second)
+	readStat(&b)
+	cpuLoad = int(100 * ((b[0] + b[1] + b[2]) - (a[0] + a[1] + a[2])) / ((b[0] + b[1] + b[2] + b[3]) - (a[0] + a[1] + a[2] + a[3])))
+}
+
+func getMHz() {
+	b, err := os.ReadFile("/proc/cpuinfo")
+	errCheck(err)
+	var tmp, j int
+	cpuMHz = 0
+	for i := 0; i < len(b); i++ {
+		if string(b[i:i+7]) == "cpu MHz" {
+			tmp = 0
+			for ; i < len(b) && b[i] != 10 && b[i] != '.'; i++ {
+				if b[i] >= 48 && b[i] <= 57 {
+					tmp = tmp*10 + int(b[i]) - 48
+				}
+			}
+			cpuMHz += tmp
+			j++
+		}
+	}
+	cpuMHz /= j
+}
+
+func round(f float64) string {
+	var n int = int(f*1000) % 1000
+	var s string = ""
+
+	for i := 0; i < 3; i++ {
+		if n%10 >= 5 {
+			n += 10
+		}
+		n /= 10
+	}
+
+	n = int(f) + n
+	for n > 0 {
+		s = string(n%10+48) + s
+		n /= 10
+	}
+
+	return s
+}
+
+func main() {
+	go getMem()
+	//go getCPUTemp()
+	go getMHz()
+	getCPU()
+	println("   Mem:  ", round(prctMem), "% USED  ", round(prctBuff), "% BUFF  ", round(prctFree), "% FREE   CPU:  ", cpuLoad, "%  ", cpuTemp, "C  ", cpuMHz, "MHz")
+}