Re: An error

[James Youngman]

On 6/13/07, Dhruv Rangoonwala <address@hidden> wrote:
> I have tried to use the following command:
>
> cat -b <anyFileName>
>
> If the file have blank lines, this command does not eliminate it. It still
> gives number to that blank line. Please check it.

Arguably this is a documentation deficiency.   When used with -b, the
cat program numbers non-empty lines, as opposed to non-blank lines.
Lines containing only blanks are not empty and so are numbered:-

$ yes "" | head | cat -b










$ yes " " | head | cat -b
    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
$