633cc56e1b1043b0ab6e1fd0e9b90154e2c03c0c
hiram
  Mon Apr 20 13:00:51 2026 -0700
document procedure for import of VGP 577-way maf result refs #34370

diff --git src/hg/makeDb/doc/vgp577way/sumBlocks.py src/hg/makeDb/doc/vgp577way/sumBlocks.py
new file mode 100755
index 00000000000..fc5c09988a7
--- /dev/null
+++ src/hg/makeDb/doc/vgp577way/sumBlocks.py
@@ -0,0 +1,29 @@
+#!/usr/bin/env python3
+
+import sys
+
+def sumByIdentifier(inputFile):
+    sums = {}
+    
+    with open(inputFile, 'r') as f:
+        for line in f:
+            parts = line.strip().split()
+            if len(parts) == 2:
+                value = int(parts[0])
+                identifier = parts[1]
+                
+                if identifier in sums:
+                    sums[identifier] += value
+                else:
+                    sums[identifier] = value
+    
+    for identifier, total in sums.items():
+        print(f"{total}\t{identifier}")
+
+if __name__ == "__main__":
+    if len(sys.argv) != 2:
+        print("Usage: script.py input_file > output_file")
+        sys.exit(1)
+    
+    inputFile = sys.argv[1]
+    sumByIdentifier(inputFile)