Originally posted by: sidharth2009

I want to start learning , writing simple unix script , help me ?
where to find a guidelines or basic steps for it

My need is : am looking for a unix script which
should print content of a file(file contains version info) ,
This file is be located
in the same location ex: $ORACLE_HOME/Version.txt on different hosts or servers ex: 25 hosts or Servers.
But these hosts or servers can be on HP unix, AIX , or Sun.

My Goal is : Instead of logging to each host or server and Checking the
Version details in $ORACLE_HOME/Version.txt , I want to automate it with a script.
The script should be able print the Version Information for these all 25 hosts or Servers.

How to write and from where to execute.

Originally posted by: flodstrom

http://shop.oreilly.com/product/9780596005955.do

Originally posted by: sidharth2009

Hi Floodstrom

Thanks for response and reply  :)

Will Go through it

Regards

Any other Suggestions for me ...For the step by step learning

Originally posted by: GarlandJoseph

I would suggest using ssh and running this script from one SOURCE machine.  I would transfer the public key to each of the target servers so that the SOURCE machine would not have to specify the pass word and could simply do something like

scp  user@targetmachine:$ORACLE_HOME/Version.txt targetmachine_version.txt

or

ssh user@targetmachine cat $ORACLE_HOME/Version.txt.

If you don't have ssh then you could create an expect script that could supply the password instead of setting up ssh keyed access.  You could also automate ftp using a .netrc script to ftp the file from the target machines.

Note:  "user@targetmachine" implies that the SOURCE machine has placed it's ssh public key in that user's .ssh directory on the target machine.