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<title>20.8.1 Conditionals  </title>

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<h3>
  <a name="1204905"> </a><font color="#003366"  face="Verdana, Arial, Helvetica, sans-serif">20.8.1 	 Conditionals</font>
</h3>


<p>
  <a name="1204908"> </a><font size=2  face="Verdana, Arial, Helvetica, sans-serif">A conditional command can be achieved using an <font size=2 face=Courier><strong>if</strong></font> construct. The <font size=2 face=Courier><strong>if</strong></font> construct can take an <font size=2 face=Courier><strong>else</strong></font>.</font>
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<a name="1204911"> </a><font size=2 face=Courier><strong>if (<font size=2 face=Courier><strong><em>condition</em></strong></font>) <font size=2 face=Courier><strong><em>command</em></strong></font> [else <font size=2 face=Courier><strong><em>command</em></strong></font>]<br></strong></font>



<p>
  <a name="1204914"> </a><font size=2  face="Verdana, Arial, Helvetica, sans-serif">The condition is true if its value is non-zero. If a sequence of commands is used then the command in the <font size=2 face=Courier><strong>if</strong></font> or <font size=2 face=Courier><strong>else</strong></font> construct can start on a new line:</font>
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<a name="1204915"> </a><font size=2 face=Courier><strong>if (<font size=2 face=Courier><strong><em>condition</em></strong></font>) {<br>

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