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  • Note that this will also print lines like ID Data1 Data2 foo which are not the same as the header (unlikely to make a difference in this case, but you never know). Commented Jan 27, 2016 at 12:39
  • @terdon yes, exactly right. OP however specified only one pattern they want to remove and his example appears to support that Commented Jan 27, 2016 at 13:38