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changeset 92:e56a7aad9ce9

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attempt at reordering if necessary
author Henry S. Thompson <ht@inf.ed.ac.uk>
date Tue, 05 Sep 2023 17:33:29 +0100
parents 460f0599e8cd
children 25bd398a8035
files bin/merge_date.py
diffstat 1 files changed, 15 insertions(+), 4 deletions(-) [+]
line wrap: on
line diff
--- a/bin/merge_date.py	Tue Sep 05 17:32:46 2023 +0100
+++ b/bin/merge_date.py	Tue Sep 05 17:33:29 2023 +0100
@@ -83,14 +83,25 @@
   else:
     return key, None
 
+dfq = [] # for reordering if needed
+
 with open(sys.argv[1], 'rb') as df:
-  dl = df.readline()
-  dcnt += 1
+  if dfq:
+    dl = dfq.pop(0) 
+  else:
+    dl = df.readline()
+    dcnt += 1
   dkey, ddate, dtime = dl.split(b'\t')
 
   while (xl:=nextLine()) is not None:
     xkey, xdate, xprops = xl.split(b' ', maxsplit=2)
     xkey1, xkey2 = keys(xkey)
+    if xkey2 is not None:
+      while dkey.startswith(xkey1) and dkey!=xkey2:
+        dfq.append(dl)
+        dl = df.readline()
+        dcnt += 1
+        dkey, ddate, dtime = dl.split(b'\t')
     if (ddate != xdate or
         not dkey.startswith(xkey1) or
         (xkey2 is not None and dkey!=xkey2)):
@@ -100,8 +111,8 @@
               "      xdate: %s\n"
               "      ddate: %s\n"
               "k1, k2: |%s|%s|\n"
-              "FN: %s\n"
-              "xl: %s"%(xkey, dkey, xdate, ddate, xkey1, xkey2, FN, xl),
+              "FN: %s dcnt: %s\n"
+              "xl: %s"%(xkey, dkey, xdate, ddate, xkey1, xkey2, FN, dcnt, xl),
               file=sys.stderr)
         raise ValueError()
       NF.write(xl)