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Shell Programming and Scripting

Script to update Property Entry Values

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# 1  
Old 02-16-2010
Script to update Property Entry Values
Hi All,

I'm Raghavendra. I have a very urgent requirement to develop a Shell Script which will allow to use variables in a property file as demonstarted below

var1=UNIX
var2=LINUX
var3=WINDOWS
var4=$var1,$var2
var5=$var3

Could you please help me to develop a shell script which can take the property file as shown above as the input and creates a new file by replacing the variables with actual values as shown below.

var1=UNIX
var2=LINUX
var3=WINDOWS
var4=UNIX,LINUX
var5=WINDOWS

Thanks & Regards,
Raghavendra
# 2  
Old 02-16-2010
Code:
$ cat data
var1=UNIX
var2=LINUX
var3=WINDOWS
var4=$var1,$var2
var5=$var3

$ while read x; do eval "$x"; eval echo "\"$x\""; done < data > result

$ cat result
var1=UNIX
var2=LINUX
var3=WINDOWS
var4=UNIX,LINUX
var5=WINDOWS

# 3  
Old 02-16-2010
Hi Alister,

Thanks so much for your help. Its Working. I'm very new to Shell Scripting. Could you please brief the solution in 2 or 3 sentences if it dont disturbs you. Thanks in Advance

Best Regards,
Raghavendra
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