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Shell script prompt for first parameter ($1) then run

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# 1  
Old 03-29-2015
Shell script prompt for first parameter ($1) then run
I have to run post configuration script like this script file is post_config.sh
Code:
post_config.sh 1234    #1234  is node ID


according to given node ID all script run
..
..
But i want to post_config.sh script should ask for node ID then run
like this..

Code:
post_config.sh             #i want to run this file only not with node ID
Enter the node ID here:    #asking for node id here i can put node id like 1234





Eg...
post_config.sh script is like this..
Code:
#This is script for Node Post configuration
#echo "Running script for $1"
 
echo "                      _                             "
echo "                      _                             "
echo "PKG6 Node Post Confg Start.............."
echo "                      _                             "
echo "                      _                             "
 
sleep 5
/home/Nodes/kat/bin/cmd_sys $1 ......
/home/Nodes/kat/bin/cmd_sys $1 ......
/home/Nodes/kat/bin/cmd_sys $1 ......
.
.

Moderator's Comments:
Mod Comment As requested many times before in your posts, please use CODE tags (not ICODE tags), when full lines, and especially when multiple lines, of sample input, output, or code are being displayed.
Last edited by Don Cragun; 03-29-2015 at 05:16 AM.. Reason: Change ICODE tags to CODE tags, again.
# 2  
Old 03-29-2015
You can do something like this
Code:
NodeId=$1
if [ -z "$NodeId" ]; then
  printf "%s" "Enter the node ID here: "
  read NodeId
fi

and then use $NodeId instead of $1 everywhere
This User Gave Thanks to Scrutinizer For This Post:
Ganesh Mankar
# 3  
Old 03-29-2015
Knowing what shell and operating system you're using could make a big difference here. In addition to what Scrutinizer suggested, maybe something like this will help with your problem:
Code:
#!/bin/ksh
case $# in
(0)	printf 'Enter node number to be processed: '
	read node;;
(1)	node="$1";;
(*)	printf 'Usage: %s [node]\n' "${0##*/}" >&2
	exit 1;;
esac
echo "Running script for node $node."
/home/Nodes/kat/bin/cmd_sys "$node"
... ... ...

This User Gave Thanks to Don Cragun For This Post:
Ganesh Mankar
# 4  
Old 03-29-2015
Code:
 [ROOT]post_config.sh
Enter node number to be processed: 2459
CONNECT FAIL.
CONNECT FAIL.
CONNECT FAIL.
CONNECT FAIL.

not working......
can any body help..
Last edited by Scrutinizer; 03-29-2015 at 10:19 AM.. Reason: Changed code tags to code tags
# 5  
Old 03-29-2015
Could you post the modified script part that you ended up using....
# 6  
Old 03-29-2015
Not without knowing how the script looks now.
# 7  
Old 03-29-2015
Code:
printf 'Enter node number to be processed: '
read node
node="$node"

echo "Running script for node $node."
/home/Nodes/kat/bin/cmd_sys "$node"

This works
thanks team
Last edited by Scrutinizer; 03-29-2015 at 11:39 AM.. Reason: code tags to code tags
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