Put in a fix in skip_alpha to allow it to cope with eof conditions and hence...

Put in a fix in skip_alpha to allow it to cope with eof conditions and hence read one line files correctly

miscmaths.cc

@@ -71,13 +71,14 @@ namespace MISCMATHS {
   {
     string cline;
     while (!fs.eof()) {
+      streampos curpos = fs.tellg();
       getline(fs,cline);
       cline += " "; // force extra entry in parsing
       istringstream ss(cline.c_str());
       string cc="";
       ss >> cc;
       if (isnum(cc)) {
-	fs.seekg(-((int)cline.size()),ios::cur);
+	if (!fs.eof()) { fs.seekg(curpos); } else { fs.clear(); fs.seekg(0,ios::beg); }
 	return cline;
       }
     }