help in using echo


 
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# 1  
Old 12-12-2008
help in using echo

hello ,

I want the output as

Let the script is as below

first=second
second=third

My requirement is I want the output as fourth through $first

i am doing
echo ""`echo "echo $"$""$first""""`""

its giving echo $second but i want ouput as third
# 2  
Old 12-12-2008
Code:
root@isau02:/data/info> first=second
root@isau02:/data/info> second=third
root@isau02:/data/info> eval echo $`echo $first`
third

# 3  
Old 12-12-2008
Thanks you for the reply,

Ca we do it with just echo command without using eval
# 4  
Old 12-12-2008
Not that I know. Why do you mind the eval?
# 5  
Old 12-12-2008
Depending on the shell you use try this:
Code:
echo ${!first}

# 6  
Old 12-12-2008
no there is no issues but I want to know is it possible to do using echo command
# 7  
Old 12-12-2008
thanks ripat its working
now the case is
first=second
second=third
third=fourth

now i want fourth as output through first
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