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How to call Java classes/Methods from shell
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Hi all,
I am a new joinee in this forum. I am facing one problem.
How to call Java classes and methods from shell scripts?? i am using KSH.
Is it really possible to do that or not?
Response will be appreciated.
Thanks,
Girish Sharma
I am a new joinee in this forum. I am facing one problem.
How to call Java classes and methods from shell scripts?? i am using KSH.
Is it really possible to do that or not?
Response will be appreciated.
Thanks,
Girish Sharma
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•
Join Date: Feb 2006
Posts: 2,432
Reputation: 
Solved Threads: 258
The only java method you can call from a shell script is the main method
of a class, by starting that class with a java command line execution.
of a class, by starting that class with a java command line execution.
Java Programmer and Sun Systems Administrator
----------------------------------------------
Debugging is twice as hard as writing the code in the first place. Therefore, if you write the code as cleverly as possible, you are, by definition, not smart enough to debug it.
--Brian Kernighan
----------------------------------------------
Debugging is twice as hard as writing the code in the first place. Therefore, if you write the code as cleverly as possible, you are, by definition, not smart enough to debug it.
--Brian Kernighan
Can we define exit status intereger values for our purpose except 0?
like can i set custom exit status messages:
"1" for error occured because of reason #1
"2" for error occured because of reason #2
...
Is there any document which displays all the exit status code values from 0-255?
like can i set custom exit status messages:
"1" for error occured because of reason #1
"2" for error occured because of reason #2
...
Is there any document which displays all the exit status code values from 0-255?
•
•
Join Date: Feb 2006
Posts: 2,432
Reputation:
Solved Threads: 258
Your exit status from your java program is whatever number you place
in the System.exit call. There is no standard exit code value other than
0 is successful and not 0 is an error. I would say you are probably pretty
safe using return codes between 50 and 200, just a personal guess. I
have never actually seen the jvm die with an error code other than 0, 1,
254, or 255.
in the System.exit call. There is no standard exit code value other than
0 is successful and not 0 is an error. I would say you are probably pretty
safe using return codes between 50 and 200, just a personal guess. I
have never actually seen the jvm die with an error code other than 0, 1,
254, or 255.
Java Programmer and Sun Systems Administrator
----------------------------------------------
Debugging is twice as hard as writing the code in the first place. Therefore, if you write the code as cleverly as possible, you are, by definition, not smart enough to debug it.
--Brian Kernighan
----------------------------------------------
Debugging is twice as hard as writing the code in the first place. Therefore, if you write the code as cleverly as possible, you are, by definition, not smart enough to debug it.
--Brian Kernighan
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