fish-shell/doc_src/break.txt
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\section break break - stop the innermost currently evaluated loop
\subsection break-synopsis Synopsis
<tt>LOOP_CONSTRUCT; [COMMANDS...] break; [COMMANDS...] end</tt>
\subsection break-description Description
The \c break builtin is used to halt a currently running loop, such as a <a href="#for">for</a> loop or a <a href="#while">while</a> loop. It is usually added inside of a conditional block such as an <a href="#if">if</a> statement or a <a href="#switch">switch</a> statement.
\subsection break-example Example
The following code searches all .c files for smurfs, and halts at the first occurance.
<p>
<tt>for i in *.c;
<br>&nbsp;&nbsp;&nbsp;&nbsp;if grep smurf $i;
<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;echo Smurfs are present in $i;
<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;break;
<br>&nbsp;&nbsp;&nbsp;&nbsp;end;
<br>end;
</tt>
</p>