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Old 09-19-2006, 01:15 PM   #1
mr_scary
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Registered: Aug 2006
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sh or bash: composite variables

Hi, using sh or bash I have 2 variables defined:

host=master
master_IP=100

How can I echo the value of master_IP in terms of the the variable host?

I thought:

echo "$"$host"_IP"

would give me "100".

But it does not work. Anyone?

Peter
 
Old 09-19-2006, 01:50 PM   #2
spirit receiver
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Quote:
Originally Posted by mr_scary
Anyone?
Yes, me !!
Code:
ada@barnabas:~> eval "echo \$${host}_IP"
100
 
Old 09-19-2006, 02:13 PM   #3
mr_scary
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Very nice. Thank you.
 
  


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