Preserving values with for loop for later use

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http://www.unix.com – Below is the issue I am having. I have a few variables which have certain values in them like var1=23 var2=46 var3=78 etc... I want to save these values with the help of a for loop in a single variable so that I can use it later,beacuse a few lines down the script, some of these variables get set to a different value and I would like to reset them to the values that I had saved.Can you point out a way without using arrays? (HowTos)