CODEWITHSUNDEEP
javaperlperl-module
user2254173
user2254173

Reputation: 113

looking for help call a perl script with arguments from java class

I have to call a Perl script from a Java class. I am able to do that using 

final ProcessBuilder builder = new ProcessBuilder("perl", "/home/abc.pl");

I am wondering if I can pass parameters something like 

new ProcessBuilder("perl", "/home/abc.pl  x y");

But it's throwing an error.

Could someone please suggest how this could be done?

Upvotes: 0

Views: 2275

Answers (2)

Alpesh Gediya
Alpesh Gediya

Reputation: 3794

Use following code to execute your perl code from java.

final List<String> commands = new ArrayList<String>();                

commands.add("perl");
commands.add("/home/abc.pl");
commands.add("x");
commands.add("y");
ProcessBuilder pb = new ProcessBuilder(commands);

Upvotes: 2

Quentin
Quentin

Reputation: 944568

From the documentation:

ProcessBuilder pb = new ProcessBuilder("myCommand", "myArg1", "myArg2");

Each argument to the program you are calling needs to be a separate argument to the ProcessBuilder constructor.

new ProcessBuilder("perl", "/home/abc.pl", "x", "y");

Otherwise you are calling the equivalent of perl "/home/abc.pl x y" and it will be unable to find a file called "/home/abc.pl x y" (since x and y are different arguments, not part of the file name).

Upvotes: 2

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