# HG changeset patch
# User John W. Eaton <jwe@octave.org>
# Date 1222449493 14400
# Node ID 2b48deec1aa2e0a0c54e6516396a2892744e2718
# Parent  3725f819b5b3c023e6c73a98c7a9bdc7aec88aa4
imfinfo.m: delete temporary files

diff -r 3725f819b5b3 -r 2b48deec1aa2 scripts/ChangeLog
--- a/scripts/ChangeLog	Fri Sep 26 13:16:42 2008 -0400
+++ b/scripts/ChangeLog	Fri Sep 26 13:18:13 2008 -0400
@@ -1,3 +1,7 @@
+2008-09-26  John W. Eaton  <jwe@octave.org>
+
+	* image/imfinfo.m: Delete temporary file.
+
 2008-09-25  Søren Hauberg  <hauberg@gmail.com>
 
 	* image/imread.m, image/imwrite.m: Doc fix.
diff -r 3725f819b5b3 -r 2b48deec1aa2 scripts/image/imfinfo.m
--- a/scripts/image/imfinfo.m	Fri Sep 26 13:16:42 2008 -0400
+++ b/scripts/image/imfinfo.m	Fri Sep 26 13:18:13 2008 -0400
@@ -95,26 +95,46 @@
 
   filename = tilde_expand (filename);
 
-  fn = file_in_path (IMAGE_PATH, filename);
-  if (isempty (fn))
-    ## Couldn't find file. See if it's an URL.
-    tmp = tmpnam ();
+  delete_file = false;
+
+  unwind_protect
+
+    fn = file_in_path (IMAGE_PATH, filename);
+
+    if (isempty (fn))
+
+      ## Couldn't find file. See if it's an URL.
 
-    [fn, status, msg] = urlwrite (filename, tmp);
+      tmp = tmpnam ();
+
+      [fn, status, msg] = urlwrite (filename, tmp);
 
-    if (! status)
-      error ("imfinfo: cannot find %s", filename);
+      if (! status)
+	error ("imfinfo: cannot find %s", filename);
+      endif
+
+      if (! isempty (fn))
+	delete_file = true;
+      endif
+
     endif
-  endif
+
+    [statinfo, err, msg] = stat (fn);
+    if (err != 0)
+      error ("imfinfo: error reading '%s': %s", fn, msg);
+    endif
 
-  [statinfo, err, msg] = stat (fn);
-  if (err != 0)
-    error ("imfinfo: error reading '%s': %s", fn, msg);
-  endif
+    time_stamp = strftime ("%e-%b-%Y %H:%M:%S", localtime (statinfo.mtime));
+  
+    info = __magick_finfo__ (fn);
+    info.FileModDate = time_stamp;
 
-  time_stamp = strftime ("%e-%b-%Y %H:%M:%S", localtime (statinfo.mtime));
-  
-  info = __magick_finfo__ (filename);
-  info.FileModDate = time_stamp;
+  unwind_protect_cleanup
+
+    if (delete_file)
+      unlink (fn);
+    endif
+
+  end_unwind_protect
 
 endfunction