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1 Suppose I have the following data file: 111 222 333 444 555 666 777 888 999 I'm able to calculate the sum per column with GNU Datamash like this: cat foo | datamash -t sum 1 sum 2 sum 3 1332 1665 1998 How would I do this with datamash if I didn't know the number of columns in my data file? I'm asking because for example cut supports end of range symbols like - for its field selector. shell text-processing share | improve this question edited Feb 22 at 15:53 DopeGhoti 43.1k 5 53 82 asked Feb 22 at 15: