1 files changed, 17 insertions, 0 deletions
diff --git a/merge_sum b/merge_sum
new file mode 100755
index 0000000..9ae61f9
--- /dev/null
+++ b/merge_sum
@@ -0,0 +1,17 @@
+#!/usr/bin/awk -f
+BEGIN {
+    k=""
+    v=0
+}
+{
+    if (k!=$1) {
+	if (k!="") { print k, v }
+	k=$1
+	v=0
+    }	
+    v=v+$2
+}
+END {
+    print k, v
+}
+