nfiles: read/write native files in various formats

read files in various formats write files in J internal formats

[opt] nread fl      read file
  dat  nappend fl    append file
  dat  nwrite fl     write file

  opt = 11    1-bit boolean
        82    8-bit character
        163  16-bit integer     (read only)
        323  32-bit integer
        645  64-bit floating point

data types supported are: boolean literal integer floating

Name	Type	Description
nappend	verb	append to file
nread	verb	read file
nwrite	verb	write to file

nappend

append to file
left argument is data

nwrite

write to file
left argument is data