data aggregation example 2

Author: klashxx

aggregation2.awk

@@ -0,0 +1,21 @@
+# Data aggregation 2
+# Compute how many bytes per IP are processed.
+# Example: awk klashxx$ awk -f aggregation2.awk files/ips.dat 
+#
+
+NR==1{
+    next
+    }
+
+lip && lip != $1{
+    print lip,sum
+    sum=0
+    }
+{
+    sum+=$2
+    lip=$1
+}
+
+END{
+    print lip,sum
+    }