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changeset 16305:23636765e00a

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textscan.m: re-enable reading from file id, test added (bug #38517)
author Philip Nienhuis <prnienhuis@users.sf.net>
date Thu, 14 Mar 2013 23:38:22 +0100
parents c8e1b0213e34
children 4a3b6a80db2e
files scripts/io/textscan.m
diffstat 1 files changed, 17 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/scripts/io/textscan.m	Thu Mar 14 14:47:29 2013 -0700
+++ b/scripts/io/textscan.m	Thu Mar 14 23:38:22 2013 +0100
@@ -183,7 +183,10 @@
       elseif (args{headerlines + 1} < 0)
         warning ("textscan.m: negative headerline value ignored");
       endif
-    endif
+    endif    
+    ## Read a first file chunk. Rest follows after endofline processing
+    [str, count] = fscanf (fid, "%c", BUFLENGTH);
+
   endif
 
   ## Check for empty result
@@ -507,6 +510,19 @@
 %!   assert (strcmp (lh, rh));
 %! end
 
+%% Test reading from a real file
+%!test
+%! f = tmpnam ();
+%! fid = fopen (f, "w+");
+%! d = rand (1, 4);
+%! fprintf (fid, "  %f %f   %f  %f ", d);
+%! fseek (fid, 0, "bof");
+%! A = textscan (fid, "%f %f");
+%! fclose (fid);
+%! unlink (f);
+%! assert (A{1}, [d(1); d(3)], 1e-6);
+%! assert (A{2}, [d(2); d(4)], 1e-6);
+
 %!error <missing or illegal value for> textread (file_in_loadpath ("textscan.m"), "", "headerlines")
 %!error <missing or illegal value for> textread (file_in_loadpath ("textscan.m"), "", "headerlines", 'hh')
 %!error <character value required for> textread (file_in_loadpath ("textscan.m"), "", "endofline", true)