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1.1 ! root 1: .\" @(#)comm.1 6.1 (Berkeley) 4/29/85 ! 2: .\" ! 3: .TH COMM 1 "April 29, 1985" ! 4: .AT 3 ! 5: .SH NAME ! 6: comm \- select or reject lines common to two sorted files ! 7: .SH SYNOPSIS ! 8: .B comm ! 9: [ ! 10: .B \- ! 11: [ ! 12: .B 123 ! 13: ] ! 14: ] file1 file2 ! 15: .SH DESCRIPTION ! 16: .I Comm ! 17: reads ! 18: .I file1 ! 19: and ! 20: .I file2, ! 21: which should be ordered in ASCII collating sequence, ! 22: and produces a three column output: lines only in ! 23: .I file1; ! 24: lines only in ! 25: .I file2; ! 26: and lines in both files. ! 27: The filename `\-' means the standard input. ! 28: .PP ! 29: Flags 1, 2, or 3 suppress printing of the corresponding ! 30: column. ! 31: Thus ! 32: .B comm ! 33: .B \-12 ! 34: prints only the lines common to the two files; ! 35: .B comm ! 36: .B \-23 ! 37: prints only lines in the first file but not in the second; ! 38: .B comm ! 39: .B \-123 ! 40: is a no-op. ! 41: .PP ! 42: .SH "SEE ALSO" ! 43: cmp(1), diff(1), uniq(1)
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