>> << Ndx Usr Pri Phr Dic Rel Voc !: wd Help User

# 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
1-bit booleans are assumed of length a multiple of 8, i.e. an integral number of bytes 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
>> << Ndx Usr Pri Phr Dic Rel Voc !: wd Help User