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Shell Programming and Scripting
Generating a list of choices in a menu
Post 94978 by sysera on Thursday 5th of January 2006 09:15:24 AM
01-05-2006
Generating a list of choices in a menu
Hello all,
I have the below script and I'm a little stuck on the best way to continue.
Essentially I'm creating a text file (systems.txt) with a list of servers in it by hostname. Then I would like to echo a menu with each hostname and a number to use to pick it from the list. It's somehow associating the number with the hostname that is confusing me.
Here is my code:
#!/bin/bash
clear
COUNT=0
SYSTEMS=`cat systems.txt`
while [ "$CHOICE" != "q" ]
do
for SYSTEM in $SYSTEMS
do
COUNT=`expr $COUNT + 1`
echo "$COUNT. $SYSTEM"
done
echo ""
echo "Please choose."
echo ""
read CHOICE
COUNT=0
clear
done
What I have so far example:
1. host1
2. host2
3. host3
Please choose.
3
What I'd like example:
1. host1
2. host2
3. host3
Please choose.
3
You picked host3!
The hostnames are not always host* of course, so I can't use that as a convention for the script to know which server I mean.
Any help would be awesome. Thanks guys.
I have the below script and I'm a little stuck on the best way to continue.
Essentially I'm creating a text file (systems.txt) with a list of servers in it by hostname. Then I would like to echo a menu with each hostname and a number to use to pick it from the list. It's somehow associating the number with the hostname that is confusing me.
Here is my code:
#!/bin/bash
clear
COUNT=0
SYSTEMS=`cat systems.txt`
while [ "$CHOICE" != "q" ]
do
for SYSTEM in $SYSTEMS
do
COUNT=`expr $COUNT + 1`
echo "$COUNT. $SYSTEM"
done
echo ""
echo "Please choose."
echo ""
read CHOICE
COUNT=0
clear
done
What I have so far example:
1. host1
2. host2
3. host3
Please choose.
3
What I'd like example:
1. host1
2. host2
3. host3
Please choose.
3
You picked host3!
The hostnames are not always host* of course, so I can't use that as a convention for the script to know which server I mean.
Any help would be awesome. Thanks guys.
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LEARN ABOUT REDHAT
ypset
ypset(8) System Manager's Manual ypset(8) NAME
ypset - bind ypbind to a particular NIS server SYNOPSYS
ypset [ -d domain ] [ -h hostname ] server DESCRIPTION
In order to run ypset, ypbind must be initiated with the -ypset or -ypsetme options. See ypbind(8). ypset tells ypbind to get NIS ser- vices for the specified domain from the ypserv(8) process running on server. In cases where several hosts on the local net are supplying NIS services, it is possible for ypbind to rebind to another host even while you attempt to find out if the ypset operation succeeded. For example, you can type: example% ypset host1 example% ypwhich host2 which can be confusing. This is a function of the NIS subsystem's attempt to know always a running NIS server, and occurs when host1 does not respond to ypbind because it is not running ypserv (or is overloaded), and host2, running ypserv, gets the binding. Server indicates the NIS server to bind to, and must be specified as a name or an IP address. This will work only if the node has a cur- rent valid binding for the domain in question, and ypbind has been set to allow use of ypset. In most cases, server should be specified as an IP address. OPTIONS
-d domain Specify a domain other than the default domain as returned by domainname(1). -h hostname Set the NIS binding on host hostname instead of the local machine. SEE ALSO
domainname(8), ypbind(8), ypcat(8), ypmatch(1), ypserv(8), yppoll(8), ypwhich(1) AUTHOR
ypset is part of the yp-tools package, which was written by Thorsten Kukuk <kukuk@suse.de>. YP Tools 2.7 May 1998 ypset(8)