How to store output of WLST/Jython?

Hey Guys!!

I was prepared few monitoring scripts... they are running well and good... Now the need is to store the result of this monitoring script into a FILE. How to make this? how to redirect this output... normally output is coming from print command in the jython/python. I was searching in google for this output storing to a file from WLST not really good outcomes... then I thought better I choose file style as in C programming allows Standard Output to a files with file pointers. This found a jython tutorial which is already available in online...

Jython Tutorial 

Redirecting output with file descriptor is fine worked good... 

now one more thing... need a timestamp for everytime when you run the monitoring script...

Solution again available in the same tutorial...

jython is going to support Java internally... Java's Date utility gives you the facility to have a time stamp redirect this print to the same file descriptor ... your job is done!!

How do I test a simple Jython script at Jython prompt?

You can use the following lines to invoke Jython Shell on your WebLogic environment. This is possible because WLST is based on Jython Shell, obviously you can get a Jython prompt in the WebLogic environment.
Normally you can get with
$ java  org.python.util.jython

Otherwise use the following way to skip caching:
$ java -Dpython.cachedir.skip=true org.python.util.jython

Remember that, WebLogic 9.2 supports Jython 2.1 featured shell, The new Oracle Fusion middleware, WebLogic 11g supports Jython 2.2 features.

In many capacity planning analysis you need the statistcs of day or hour by hour etc., These statistics can be for JVM monitoring or for JMS or JDBC DataSource or Thread Count of a WebLogic domain.
Simply printing to standard output you can redirect them to your desired filenames which you specify in the Jython script. To do print to a file use:

f = open("JVMStat.txt", "w")
# JVM monitoring Script loop
       print >>f, "JVM Status Line here"
f.close()

And to add to the end of a existing file use:

f = open("JVMStat.txt", "a")
       print >>f, "Added lines comes here"
f.close()

Hope this will give you hint for your need in WLST and file usage. For any issue keep writing back to me.

Enjoy with Jython!!! in WLST !!!