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<h3>9.3.33: The `<font color="#82140F"><code>read</code></font>' commands</h3>


There are several varieties of `<font color="#82140F"><code>read</code></font>' command.  Those commands used
for reading numerical information (e.g. `<font color="#82140F"><code>read columns</code></font>') are able to
decode variables and synonyms as well as simple numbers