<?xml version="1.0"?>
<project name="Ant input task example" default="all" basedir=".">
    <target name="all" depends="doit,don't"/>

    <target name="doit" depends="user-input" if="confirmed">
	<echo>Task performed</echo>
    </target>

    <target name="don't" depends="user-input" unless="confirmed">
	<echo>Task NOT performed</echo>
    </target>

    <target name="user-input">
	<input validargs="y,n" addproperty="user-response">
	    Do you really want to do this?
	</input>

	<condition property="confirmed">
	    <equals arg1="y" arg2="${user-response}"/>
	</condition>
    </target>
</project>