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<title>Setting environment variables</title>
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<body>
<h1>Setting environment variables</h1>
<p>You can set the environment variables and values to use when an application
runs.</p>
<p>To set environment variables:</p>
<ol>
<li>In the C/C++ Projects view, select a project.</li>
<li>Click <b>Run > Run</b> or <b>Run > Debug</b>.</li>
<li>In the <b>Configurations</b> box, expand <b>C/C++ Local</b>.</li>
<li>Select a run or debug configuration.</li>
<li>Click the <b>Environment</b> tab..<br>
<img src="../images/run_environment.png" alt="Run Environment Window">
</li>
<li>Do one of the following:
<ul>
<li>To create a new environment variable, click <b>New</b>.</li>
<li>To import an environment variable, click <b>Import</b>.</li>
<li>To edit an existing environment variable, select an item from the list and click <b>Edit</b>.</li>
<li>To remove an existing environment variable, select an item from the list and click <b>Remove</b>.</li>
</ul>
<li>Type a name in the <b>Name</b> box.</li>
<li>Type a value in the <b>Value</b> box.</li>
<li>Click <b>Run</b> or do the following, as required:<ul><li>To specify the
execution arguments that an application uses and to specify the working directory for a run
configuration, see <a href="cdt_t_run_arg.htm">Specifying execution arguments</a>.</li>
<li>To select a debugger to use when debugging an application, see
<a href="cdt_t_run_dbg.htm">Selecting a debugger</a></li>
<li>To specify the location of source files used when debugging a C or C++
application, see <a href="cdt_t_run_source.htm">Specifying the location of
source files</a></li>
<li>To specify where the run configuration is stored, how you access it, and
the perspective to open when running an application, see
<a href="cdt_t_run_com.htm">Specifying the location of the run configuration</a></li></ul>
</ol>
<p><img border="0" src="../images/ngconcepts.gif" ALT="Related concepts" width="143" height="21">
<br>
<a href="../concepts/cdt_c_projects.htm">CDT Projects</a><br>
<a href="../concepts/cdt_c_proj_file_views.htm">Project file views</a></p>
<p><img border="0" src="../images/ngtasks.gif" ALT="Related tasks" width="143" height="21">
<br>
<a href="cdt_o_run_config.htm">Creating or editing a run configuration</a></p>
<p><img border="0" src="../images/ngref.gif" ALT="Related reference" width="143" height="21">
<br>
<a href="../reference/cdt_o_run_dbg_pages.htm">Run and Debug dialog box</a></p>
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