o2w

 Directory or path should be given as character array, NOT in cell array.
 [word,op] = o2w
 [word,op] = o2w(word,op);
 o2w(word,op);
 [word,op] = o2w('E:\Previous BJ\withwangliquePapers');

 o2w({'test.opj'},{'E:\'},2,3,word,op);
 o2w({'test.opj'},'E:\',2,3,word,op,{'opr'});
 [word,op] = o2w(0,word,op);
 o2w({'test.opj';'tersssss.opj'},'E:\',2,3,word,op);
 filename = {'E:\Previous BJ\withwangliquePapers\OriginFigs\test.opj'}
 filename = {'E:\Previous BJ\withwangliquePapers\OriginFigs\effect of compressibility (fig6(a)-6(c) & 14(b)) mod2.OPJ'};
 grname = {'volumtric'}
 grname = {'phi';'seepage';'vertical';'volumtric'};
 ori2word({'vertical'},[],0,word,op)
 path = pwd;
 openword = 1;
 coprat = 40;
 whos
 for batch processing, dir should be different from current dir