~mandel/ubuntuone-windows-installer/fix_null_pointer

<b>Note:</b> Variables will be set for the current NAnt process and all child processes that NAnt spawns (compilers, shell tools, etc). If the intention is to only set a variable for a single child process, then using the <a href="../tasks/exec.html"><exec></a> task and its nested <code>environment</code> element might be a better option. </p>

<b>Note:</b> Expansion of inline environment variables is performed using the syntax of the current platform. So on Windows platforms using the string %PATH% in the <code>value</code> attribute will result in the value of the PATH variable being expanded in place before the variable is set. </p>

<h3>Parameters</h3>

<table>

<tr>

<th>Attribute</th>

<th>Description</th>

<th style="text-align: center;">Required</th>

</tr>

<tr>

<td style="text-align: center;">directory</td>

<td> The value for a directory-based environment variable. NAnt will convert it to an absolute path. </td>

<td style="text-align: center;">False</td>

</tr>

<tr>

<td> The value for a file-based environment variable. NAnt will convert it to an absolute filename. </td>

<td style="text-align: center;">False</td>

</tr>

<tr>

<td style="text-align: center;">string</td>

<td> The name of a single Environment variable to set </td>

<td style="text-align: center;">False</td>

</tr>

<tr>

<td> The value for a PATH like environment variable. You can use <code>:</code> or <code>;</code> as path separators and NAnt will convert it to the platform's local conventions. </td>

<td style="text-align: center;">False</td>

</tr>

<tr>

<td valign="top">value</td>

<td style="text-align: center;">string</td>

<td> The literal value for the environment variable. </td>

<td style="text-align: center;">False</td>

</tr>

<tr>

<td valign="top">failonerror</td>

<td> Determines if task failure stops the build, or is just reported. The default is <b>true</b>. </td>

<td style="text-align: center;">False</td>

</tr>

<tr>

<td> If <b>true</b> then the task will be executed; otherwise, skipped. The default is <b>true</b>. </td>

<td style="text-align: center;">False</td>

</tr>

<tr>

<td valign="top">unless</td>

<td> Opposite of <code>if</code>. If <b>false</b> then the task will be executed; otherwise, skipped. The default is <b>false</b>. </td>

<td style="text-align: center;">False</td>

</tr>

<tr>

<td valign="top">verbose</td>

<td> Determines whether the task should report detailed build log messages. The default is <b>false</b>. </td>

<td style="text-align: center;">False</td>

</tr>

</table>

</div>

<h3>Nested Elements:</h3>

100

<h4>

101

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</a>

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</h4>

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<p> Represents an environment variable. </p>

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<h3>Parameters</h3>

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<table>

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<tr>

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<th>Attribute</th>

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<th>Description</th>

114

<th style="text-align: center;">Required</th>

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</tr>

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<tr>

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<td style="text-align: center;">string</td>

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<td> The name of the environment variable. </td>

120

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</tr>

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<tr>

123

124

<td style="text-align: center;">directory</td>

125

<td> The value for a directory-based environment variable. NAnt will convert it to an absolute path. </td>

126

<td style="text-align: center;">False</td>

127

</tr>

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<tr>

129

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<td> The value for a file-based environment variable. NAnt will convert it to an absolute filename. </td>

132

<td style="text-align: center;">False</td>

133

</tr>

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<tr>

135

136

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<td> Indicates if the environment variable should be passed to the external program. If <b>true</b> then the environment variable will be passed; otherwise, skipped. The default is <b>true</b>. </td>

138

<td style="text-align: center;">False</td>

139

</tr>

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<tr>

141

142

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<td> The value for a PATH like environment variable. You can use <code>:</code> or <code>;</code> as path separators and NAnt will convert it to the platform's local conventions. </td>

144

<td style="text-align: center;">False</td>

145

</tr>

146

<tr>

147

<td valign="top">unless</td>

148

149

<td> Indicates if the environment variable should not be passed to the external program. If <b>false</b> then the environment variable will be passed; otherwise, skipped. The default is <b>false</b>. </td>

150

<td style="text-align: center;">False</td>

151

</tr>

152

<tr>

153

<td valign="top">value</td>

154

<td style="text-align: center;">string</td>

155

<td> The literal value for the environment variable. </td>

156

<td style="text-align: center;">False</td>

157

</tr>

158

</table>

159

</div>

160

<h3>Nested Elements:</h3>

161

162

<h4>

163

164

</a>

165

<<a href="../types/path.html">path</a>>

166

</h4>

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<div class="nested-element"> Sets a single environment variable and treats it like a PATH - ensures the right separator for the local platform is used. <p /></div>

168

<h4>

169

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</a>

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</<a href="../types/path.html">path</a>>

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</h4>

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</div>

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<h4>

175

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</a>

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</variable>

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</h4>

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<h3>Examples</h3>

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<li>

182

<p>Set the MONO_PATH environment variable on a *nix platform.</p>

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184

185

</pre>

186

</li>

187

<li>

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<p>Set a collection of environment variables. Note the nested variable used to set var3.</p>

189

190

191

192

193

194

</setenv>

195

</pre>

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</li>

197

<li>

198

<p>Set environment variables using nested path elements.</p>

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</path>

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</variable>

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<path>

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</path>

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</variable>

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</setenv>

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</pre>

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</li>

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</ul>

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<h3>Requirements</h3>

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<b>Assembly:</b> NAnt.Core (0.90.3780.0)

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</div>

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</body>

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</html>

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