added traffic.sh

traffic.sh

@@ -0,0 +1,55 @@
+#!/usr/bin/env sh
+
+# ---- colors ----
+RESET='\033[0m'
+GREEN='\033[0;32m'
+YELLOW='\033[0;33m'
+RED='\033[0;31m'
+BLUE='\033[0;34m'
+# ----------------
+
+interface=$1
+bytes=$2
+
+while true; do
+    tx_traffic=$(cat /sys/class/net/${interface}/statistics/tx_bytes)
+    rx_traffic=$(cat /sys/class/net/${interface}/statistics/rx_bytes)
+
+    traffic_color=$GREEN
+    if [[ $(echo $(($rx_traffic/1024/1024/1024))) > 5 ]]; then
+        traffic_color=$YELLOW
+    elif [[ $(echo $(($rx_traffic/1024/1024/1024))) > 10 ]]; then
+        traffic_color=$RED
+    fi
+
+    if [[ $bytes == 'kb' ]] || [[ $bytes == 'Kb' ]]; then
+        printf "$BLUE tx traffic$RESET = $(($tx_traffic/1024)) Kb\n"
+        printf "$traffic_color rx traffic$RESET = $(($rx_traffic/1024)) Kb\n"
+    fi
+
+    if [[ $bytes == 'mb' ]] || [[ $bytes == 'Mb' ]]; then
+        printf "$BLUE tx traffic$RESET = $(($tx_traffic/1024/1024)) Mb\n"
+        printf "$traffic_color rx traffic$RESET = $(($rx_traffic/1024/1024)) Mb\n"
+    fi
+    
+    if [[ $bytes == 'gb' ]] || [[ $bytes == 'Gb' ]]; then
+        if [[ $(echo $(($tx_traffic/1024/1024/1024))) == 0 ]]; then
+            printf "$BLUE tx traffic$RESET = $(($tx_traffic/1024/1024)) Mb\n"
+        else
+            printf "$BLUE tx traffic$RESET = $(($tx_traffic/1024/1024/1024)) Gb\n"
+        fi
+        if [[ $(echo $(($rx_traffic/1024/1024/1024))) == 0 ]]; then
+            printf "$traffic_color rx traffic$RESET = $(($rx_traffic/1024/1024)) Mb\n"
+        else
+            printf "$traffic_color rx traffic$RESET = $(($rx_traffic/1024/1024/1024)) Gb\n"
+        fi
+    fi
+
+    if [[ $bytes == 'b' ]] || [[ $bytes == '' ]]; then
+        printf "$BLUE tx traffic$RESET = $(($tx_traffic)) b\n"
+        printf "$traffic_color rx traffic$RESET = $(($rx_traffic)) b\n"
+    fi
+    
+    sleep 1
+done
+