$ pwd
/home/bob/Documents/meditations/Algorithm-Markov-Multiorder-Learner-master
$ ls
bin   Changes  lib       Makefile.PL  MYMETA.json  output      README  xt
blib  data     Makefile  MANIFEST     MYMETA.yml   pm_to_blib  t
$ cd data
$ ls
 1.mp.txt              2.short.shelley.txt      'Untitled Document 1'
 1.pope.txt            3.Shelley_short.txt
 2.Shelley_short.txt   ShelleyFrankenstein.txt