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<a name="My-actions-are-executing-out-of-order-or-sometimes-not-at-all_002e"></a>
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Next: <a href="How-can-I-have-multiple-input-sources-feed-into-the-same-scanner-at-the-same-time_003f.html#How-can-I-have-multiple-input-sources-feed-into-the-same-scanner-at-the-same-time_003f" accesskey="n" rel="next">How can I have multiple input sources feed into the same scanner at the same time?</a>, Previous: <a href="Flex-is-not-matching-my-patterns-in-the-same-order-that-I-defined-them_002e.html#Flex-is-not-matching-my-patterns-in-the-same-order-that-I-defined-them_002e" accesskey="p" rel="prev">Flex is not matching my patterns in the same order that I defined them.</a>, Up: <a href="FAQ.html#FAQ" accesskey="u" rel="up">FAQ</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Indices.html#Indices" title="Index" rel="index">Index</a>]</p>
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<a name="My-actions-are-executing-out-of-order-or-sometimes-not-at-all_002e-1"></a>
<h3 class="unnumberedsec">My actions are executing out of order or sometimes not at all.</h3>

<p>Most likely, you have (in error) placed the opening &lsquo;<samp>{</samp>&rsquo; of the action
block on a different line than the rule, e.g.,
</p>
<div class="example">
<pre class="verbatim">^(foo|bar)
{  &lt;&lt;&lt;--- WRONG!

}
</pre></div>

<p><code>flex</code> requires that the opening &lsquo;<samp>{</samp>&rsquo; of an action associated with a rule
begin on the same line as does the rule.  You need instead to write your rules
as follows:
</p>
<div class="example">
<pre class="verbatim">^(foo|bar)   {  // CORRECT!

}
</pre></div>




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