filename'
</font></PRE>
</TD>
</TR>
</TABLE>
<p>

Cause future `<font color="#82140F"><code>read</code></font>' commands to read from the indicated file.  If
that file is not open, an error message will result.  Use 
`<font color="#82140F"><code>read from \filename</code></font>' to shuffle reading among several open files.
<p>
Gri can look up filenames for `<font color="#82140F"><code>read from</code></font>' in terms of their
<b>full</b> pathnames or their <b>local</b> pathnames.  Thus, a local file
calle