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Top Forums UNIX for Dummies Questions & Answers Need help in writing shell script Post 302848353 by vbe on Thursday 29th of August 2013 05:09:50 AM
Old 08-29-2013
A shell script is nothing more than commands you would have to type on command line put in a file and made executable using chmod command...
Lets just look at the beginning of your requirement:
Code:
1. Log in to primary DNS server
2. Check /etc/named.conf if zone is already created (grep –i 10.0.11 named.conf)

Your first request makes us wonder
a) If what you want to be executed is to be on a remote host, what is best?
b) Is this script to be used on may hosts (then it makes sense...) if not will it be reused, if so can it not accept the IP to check/add in parameter?
...

So start by writing down all you will be doing ( all the commands (complete line!)
The best may be that after you re logged on, you type script myscript.out then show us the content so we can help you in your script writing
 

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script(1)						      General Commands Manual							 script(1)

NAME
script - Makes a transcript of terminal session SYNOPSIS
script [-a] [file] The script command makes a transcript of everything printed on your terminal. OPTIONS
Appends the transcript to file rather than writing it to file. OPERANDS
The name of an output file that will contain the transcript of the session. If this parameter is omitted, the file typescript is written. DESCRIPTION
The transcript is written to file, or appended to file if the -a option is given. If no file name is given, the transcript is saved in the file typescript. The script ends when the forked shell exits. This program is useful when you are using a CRT and want a hard-copy record of the dialog (for example, a technical writer might create an example of a working session this way). If you specify the -a option and the file does not exist, it is created. If you do not specify the -a option and the file exists, it is replaced. RESTRICTIONS
The script command requires a streams based terminal. In single user mode, streams may not be enabled. Under these circumstances, script will exit with no action. If you are the superuser and need to run this command in single user mode, use the following special instruc- tions. Enabling Streams If it is necessary to enable a streams environment in the single user mode, enter the command /sbin/init.d/streams. This command is avail- able to the superuser only. SEE ALSO
Commands: autopush(8), cat(1), echo(1), strsetup(8), tee(1) System Administration script(1)
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