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  • Hi terdon, I apologize for not describing the issue clearly. I tried to used the gawk statement, and it did not pull all the data associated engine for the keyword that I searched. Perhaps I can clarify more of the steps that are involved: 1) find the keyword I specify, 2) find what engine number it is using, 3)extract all the lines immediately above and below that are have that engine number, however, some lines have Data with no engine tag (no word of engine in the line and can have variable number of lines .. until the word engine appears again) and still need to be extracted.4)repeat 1-3 Commented Dec 23, 2013 at 18:19