CODEWITHSUNDEEP
javapythoncommunication
Sney
Sney

Reputation: 2506

Calling Java app with "subprocess" from Python and reading the Java app output

What is the nicest way to read the output (i.e. via System.out.println) of a Java app which is called from Python with 

subprocess.Popen("java MyClass", shell=True)

without writing and reading a file? (Using Jython etc is not a possible solution)

Upvotes: 4

Views: 7490

Answers (2)

Sney
Sney

Reputation: 2506

I just found the solution:

p = subprocess.Popen("java MyClass",
          shell=True,
          stdout=subprocess.PIPE)
output, errors = p.communicate()

S.Mark's is fine too!

Upvotes: 3

YOU
YOU

Reputation: 123791

p1 = subprocess.Popen(["/usr/bin/java", "MyClass"], stdout=subprocess.PIPE)
print p1.stdout.read()

Upvotes: 5

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