CODEWITHSUNDEEP
antenvironment-variables
Sergey
Sergey

Reputation: 1089

ANT targets that depends on environment variables

My code:

<property environment="env"/>
<target name="detectTomcatFromEnv" unless="${env.CATALINA_HOME}">
    <echo message="${env.CATALINA_HOME}"/>
</target>

I defined CATALINA_HOME and as I understand, target should not run.

But my result is:

detectTomcatFromEnv:
     [echo] c:\apache-tomcat-7.0.21\

BUILD SUCCESSFUL

How it can be???

Upvotes: 1

Views: 484

Answers (1)

oers
oers

Reputation: 18704

You need to remove the ${...} from unless:

<property environment="env"/>
<target name="detectTomcatFromEnv" unless="env.CATALINA_HOME">
    <echo message="${env.CATALINA_HOME}"/>
</target>

See https://ant.apache.org/manual/targets.html:

unless: the name of the property that must not be set in order for this target to execute, or something evaluating to false.

Upvotes: 3

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