changed getTokenExclude method to allow escaped characters.

ZString.cpp

@@ -291,9 +291,16 @@ namespace coreutils {
    }
 
    ZString ZString::getTokenExclude(const char *exclude) {
+      char previous = 0;
       char *start = cursor;
-      while ((cursor <= (data + length)) && !isCharacter(*cursor, exclude))
+      do {	   
+	 while ((cursor <= (data + length)) && !isCharacter(*cursor, exclude)) {
+	    previous = *cursor;
 	    ++cursor;
+	 }
+	 ++cursor;
+      } while(previous == '\\');
+      --cursor;
       return ZString(start, cursor - start);
    }
 

testing/zstring_test.cpp

@@ -112,4 +112,8 @@ int main(int argc, char **argv) {
    std::cout << "Trailing Zeros: " << test21.removeTrailingZeros() << std::endl;
    std::cout << "                " << test21 << std::endl;
 
+   coreutils::ZString test22("This is a \\\"quoted\\\" string.\"");
+   std::cout << "quoted string: " << test22 << std::endl;
+   std::cout << "quoted string: " << test22.getTokenExclude("\"") << std::endl;      
+   
 }