convert Arabic numerals to
number utility prints the English
equivalent of the number to the standard output, with each 10^3 magnitude
displayed on a separate line. If no argument is specified,
number reads lines from the standard input.
The options are as follows:
- Display the number on a single line.
number understands negative numbers
(although they must be preceded by ‘--’ if they are on the
command line to avoid being mistaken for options) and numbers in scientific
notation (e.g. 1.234E+05).