Open Source .NET Development [Electronic resources] نسخه متنی

<if>Checks the conditional attributes and executes the children if true.

If no conditions are checked, all child tasks are executed. True is the default condition result.

If more than one attribute is used, they are And'd together. The first to fail stops the check.

Check existence of a property

Example

<if propertyexists="myProp">
<echo message="myProp Exists. Value='${myProp}'"/>
</if>

Check that a property value is true

Example

<if propertytrue="myProp">
<echo message="myProp is true. Value='${myProp}'"/>
</if>

Check that a target exists

Example

<target name="myTarget"/>
<if targetexists="myTarget">
<echo message="myTarget exists."/>
</if>

Checks file dates

Example

<if uptodatefile="myfile.dll" comparefile="myfile.cs">
<echo message="myfile.dll is newer/same-date as myfile.cs"/>
</if>