82140F"><code>read columns</code></font>' command with as many
spacers as are present in your data.  For example, if you have four
numbers in each data record and want to interpret the first two as
`<font color="#82140F"><code>x</code></font>' and `<font color="#82140F"><code>y</code></font>', you would use `<font color="#82140F"><code>read columns x y * *</code></font>' to read
the data.
<p>

RETURN VALUE:
Sets `<font color="#82140F"><code>\.return_value</code></font>' to 
`<font color="#82140F"><code>N ro