
   list (name) (string1) (string2) ... end
   OR
   list (name) -split (string1) (string2) ...
   OR
   list (name) -x "(ls command)"
   OR
   list (name) -x "cat (file)" 

   Create a list of strings that are zero indexed.

   $(name):n = the number of elements in the list (name)

   $(name):5 = the 6th element of the list (name)

   -split option: Turn a list of strings (separated by white spaces)
     into a list

   -x option: turn an ls command or file into a list (one list element per
     line in the file + 1 white space)

   ***Note: the list ... end version of the command does not currently work
             within macros
