Reading a variable line by line with while loop

[Ray Parrish]

Hello,

I have been using while loops to read files in line by line when I want 
to process things on a line oriented basis. Sometimes i have the set of 
lines I want to read through already in a variable, and have to write 
them to file before beginning to read line by line.

I was wondering if it is possible to read a variable line by line 
somehow with a while loop? Would it possibly be faster than using a file 
to read from?

I was thinking something along the lines of the following code might 
work, but have not tested it yet.

while read ThisLine; do
      # process each line
      echo "$ThisLine"
done < `echo "$Variable"`

Is this something that might work, and would it be more efficient than 
writing to, and reading from a file? Is there some other way I've missed 
to make it work?

Thanks for any help you can be.

Later, Ray Parrish

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