Find and replace many values

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http://www.unix.com – Dear Friends, I did the same question before in other thread, but I want to explain a little better my request. I am looking for a way how to find and replace a values in two files using a reference a file where are the key to replace. Basically, I want to keep a copy of the original file and make a new one in order to compare at the end that the change was done in the correct columns whitout change the rest of file..:) All files are in the same folder. Then the files are like this file name = sw1135g.sps Code: S  2657.00  7305.00  2V1    0.0  0&n (HowTos)