How to access values passed from ant script to shell script

Question

We have a shell script which we invoke it from an ant script. We need to pass input to shell script from ant script. It can be done as follows

<target name="help">
  <exec executable="cmd">
    <arg value="Hello"/>
    <arg value="Welcome"/>
    <arg value="World"/>
  </exec>
</target>

But We are not able to figure out how to access the values passed from ant script in shell script. Could anyone please suggest me with the right information.Thanks.

Just like any other script variables? E.g. %1, %2 and so on - I assume you use Windows batch scripts. — mic4ael
– mic4ael, Commented Jul 23, 2015 at 6:14
I followed the way you suggested but iam not able to access the values. — Sunayana
– Sunayana, Commented Jul 23, 2015 at 7:43

Rebse · Accepted Answer · 2015-07-24 13:42:20Z

2

Use properties as input, something like :

<project>
 <property name="foobar" location="C:/foobar" />
 <property name="foo" value="bar" />

 <exec executable="cmd">
   <arg value="/c" />
   <env key="PATH" path="${env.PATH};${foobar}/bin" />
   <arg value="set" />
 </exec>

 <exec executable="cmd">
  <arg value="/c" />
  <arg value="echo" />
  <arg value="${foo}" />
 </exec>
</project>

You have to use /c as first arg value.
When calling a batfile which expects %1 ... %9 as input, first arg is <arg value=/c">,
second arg <arg value="yourbatfile.bat/>.
The following args <arg value=.../> would be %1 and so on, f.e. :

foobar.bat

@echo off
echo First argument %1
echo Second argument %2

build.xml

<project>

<exec dir="dir="path/to/batfile" executable="cmd">
 <arg value="/c"/>
 <arg value="foobar.bat"/>
 <arg value="foo"/>
 <arg value="bar"/>
</exec>

</project>

output

[exec] First argument foo
[exec] Second argument bar

Example for calling a shellscript, first arg has to be <arg value="/path/to/shellscript.sh"/>, the following args <arg value="..."/> will be $1 ...

foobar.sh

#!/bin/bash

echo "\$# = $#"
echo "\$0 = $0"
echo "\$1 = $1"
echo "\$2 = $2"

build.xml

<project>
 <exec executable="/bin/bash">
  <arg value="/path/to/foobar.sh"/>
  <arg value="foo"/>
  <arg value="bar"/>
 </exec>
</project>

edited Jul 24, 2015 at 13:42

answered Jul 23, 2015 at 7:36

Rebse

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6 Comments

Sunayana Over a year ago

Iam not using a bat file iam using an sh file. Is it going to have any impact?Do I have to change anything from what you have suggested?

Sunayana Over a year ago

Iam not able to clearly understand your example. Iam pasting my code below please have a look <exec executable="status.sh" outputproperty="output.value" resultproperty="exec.result" failonerror="false"> <arg value="${mbean.name}" /> <arg value="55011" /> </exec>

Sunayana Over a year ago

Sorry for reposting please find the code below build.xml <exec executable="status.sh" outputproperty="output.value" resultproperty="exec.result" failonerror="false"> <arg value="55011" /> </exec> status.sh PORT= $1

Chad Nouis Over a year ago

@Sunayana Look at the example from Rebse. It's <exec executable="/bin/bash">, not <exec executable="status.sh" ...>. To have Bash execute status.sh, insert <arg value="status.sh"/> under <exec>.

Sunayana Over a year ago

@Chad I need to also specify the location of the status.sh file ,so where do i do it?

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