** (2) Read the file FILENAME
** (3) Use the contents of FILE to replace the two removed arguments:
**     (a) Ignore blank lines in the file
**     (b) Each non-empty line of the file is an argument, except
**     (c) If the line begins with "-" and contains a space, it is broken
**         into two arguments at the space.
*/
static void expand_args_option(int argc, char **argv){
  Blob file = empty_blob;   /* Content of the file */
  Blob line = empty_blob;   /* One line of the file */
  unsigned int nLine;       /* Number of lines in the file*/
  unsigned int i, j, k;     /* Loop counters */
  int n;                    /* Number of bytes in one line */
  char *z;            /* General use string pointer */
  char **newArgv;     /* New expanded g.argv under construction */