working again - readonly

src/awk/merge.awk

@@ -0,0 +1,17 @@
+BEGIN { FS="|"; i=0; dlt = -259200; spw = 604800; }
+NR == FNR {
+  i = i + 1;
+  from[i] = int(($1 + dlt)/ spw);
+  getline;
+  to[i] = int(($1 + dlt) / spw);
+  next
+} # Load start and end week numbers from first file
+
+{ 
+  if (from[FNR] > to[FNR])
+    print "FNR", FNR, ":", from[FNR],"-",to[FNR], "    ",$0;
+  for(i=from[FNR]; i<=to[FNR]; i++) {
+    week[i] = week[i] ? week[i] ";" $4 : $4
+  }
+}
+END { for (i in week) print i, week[i]; }