lua-torch-paths 0~20170226-g4ebe222-1 (amd64 binary) in ubuntu bionic

 This package provides portable functions and variables to manipulate
 the file system :
 .
  * Manipulating filenames: functions for manipulating filenames ;
  * Directory functions: functions for listing and manipulating directories ;
  * Directory paths: paths to well known directories ;
  * Miscellaneous: uncategorized functions ;
 .
 When this package is loaded, it also computes a number of useful
 variables indicating where the various Torch components are installed.