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Executing a unix command

 
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# 1  
Old 12-20-2006
Executing a unix command
Hi,
I need to execute the following unix command through my java code -

zip -e

When i execute this command from the command prompt, i am prompted for a password in the following manner -
Enter password:
Verify password:

Is it possible to provide the password inthe first command itself so that i am not prompted for it?

Any help in this regard will be highly appreciated!!
# 2  
Old 12-20-2006
Some more info
Hi,
I just want a general approach for this problem for any unix command. That is, say any unix command on execution , prompts for some more info to be entered (say password in my case); how can i provide that additional info in the first command itself so that i can bypass the prompt for additional data.


Regards,
Jacob
# 3  
Old 12-20-2006
Not sure about java, but you can do this with expect - http://expect.nist.gov/
Tornado
# 4  
Old 12-20-2006
You could also try ksh's co-process. See the man pages of ksh to know more on co-process.
# 5  
Old 12-20-2006
Thanks for the reply.

Can you give some examples?
# 6  
Old 12-20-2006
Here's some expect script examples:
http://www.cpqlinux.com/expect.html

And here's my ftp ksh script that uses a co-process
https://www.unix.com/showpost.php?p=3...4&postcount=27
Tornado
 
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