valid filename

fslmerge.cc

@@ -26,7 +26,7 @@ int fmrib_main(int argc, char *argv[])
   int direction,dimerror=0,xoffset=0,yoffset=0,zoffset=0,toffset=0;
 
   NiftiIO reader;
-  NiftiHeader header(reader.loadHeader(string(argv[3])));
+  NiftiHeader header(reader.loadHeader(return_validimagefilename(string(argv[3]))));
   float newTR(header.pixdim[3]);
  
   if (!strcmp(argv[1], "-t"))       direction=0;
@@ -54,7 +54,7 @@ int fmrib_main(int argc, char *argv[])
 
   for(int vol = 4; vol < argc; vol++)
   {       
-    header=reader.loadHeader(string(argv[vol]));
+    header=reader.loadHeader(return_validimagefilename(string(argv[vol])));
     if (direction==0) tdimtot+=header.dim[4];
     if (direction==1) xdimtot+=header.dim[1]; 
     if (direction==2) ydimtot+=header.dim[2];