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Printing hostname

 
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# 1  
Old 05-28-2008
Printing hostname
Hi,

I am using hostname environment variable in my shell script to print the host name but it's printing nothing.Can you please help me on this.

Please find the part of the code pasted here:

llist=
llist=$(ps -ef | grep -v grep | grep -c "$1")

echo "Hostname is ${hostname}"
# 2  
Old 05-28-2008
From where do you want to extract this hostname value ? You can use simple : localHostName=`hostname`; echo $localHostName
# 3  
Old 05-28-2008
Hammer & Screwdriver one approach...
1. assign the return value to a variable
2. send (echo) the variable to screen

Code:
> valhost=$(hostname)
> echo $valhost    
grape

# 4  
Old 05-28-2008
Hi,

When I am using commnad:hostname in unix command prompt , it's printing the system name of my system but when I use this command in shell script it gives nothing.

localHostName=hostname
echo $localHostname
# 5  
Old 05-28-2008
Hammer & Screwdriver Your command with = is not assigning the value
Try as I show below (ignoring the > as the prompt character):

Quote:
1. assign the return value to a variable
2. send (echo) the variable to screen


Code:
> valhost=$(hostname)
> echo $valhost
grape
# 6  
Old 05-29-2008
Also u can use the environment variable HOSTNAME.
# 7  
Old 05-29-2008
Quote:
Originally Posted by gbiswal
Hi,

When I am using commnad:hostname in unix command prompt , it's printing the system name of my system but when I use this command in shell script it gives nothing.

localHostName=hostname
echo $localHostname
Hi,
U can use the environment variable HOSTNAME or
the command hostname <With options such as -a>
 
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