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Old 12-06-2012, 11:08 PM   #1
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Registered: Aug 2012
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Problem while Invoke Shell Script function from Java Program


I have create a shell script with a function.


echo "Test shell script"

function checkfunction() 
  echo "hey!  shell script function called"


when i execute the above program in local/terminal. i got the output:
Test shell script
hey! shell script function called

When i invoke the above shell script from java using the code
Runtime.getRuntime().exec( ;

i got the output:
Test shell script

Here the problem is, the function in shell script is not invoked.

whether i have to export the functions?
Please Suggest me, how to solve this problem.

Nanthagopal A
Old 12-07-2012, 03:07 PM   #2
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Registered: Oct 2009
Location: Wroclaw, Poland
Distribution: Arch, Kubuntu
Posts: 1,248

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Do you really have space as first character in your script?
# rest of code
It shouldn't be there. With space at the beggining bash is not invoked and probably another shell execute rest of your script, which have different syntax, for example "dash" no need "function" word to define function. You should check exit status (by waitFor() function) and grab standard error stream to see if there is any errors.

Last edited by eSelix; 12-07-2012 at 03:09 PM.


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