max.1 (921B)
1 .Dd $Mdocdate$ 2 .Dt MAX 1 3 .Os 4 .Sh NAME 5 .Nm max 6 .Nd returns the maximum value for each column 7 .Sh SYNOPSIS 8 .Nm 9 .Op Fl d Ar delimstr 10 .Op Fl n 11 .Op Fl p Ar prec 12 .Sh DESCRIPTION 13 .Nm 14 returns the maximum numerical value for each column in standard 15 input. 16 Input fields must be tab-separated and each line must contain 17 the same number of fields. 18 .Pp 19 The options are as follows: 20 .Bl -tag -width Ds 21 .It Fl d Ar delimstr 22 Separate output values by 23 .Ar delimstr . 24 The default delimiter is tab characters. 25 .It Fl n 26 Do not print a newline after the final value. 27 .It Fl p Ar prec 28 Print the output values with 29 .Ar prec 30 digits of precision. 31 By default, the output is printed with 17 digits of precision, which is 32 full double precision on 64-bit systems. 33 .El 34 .Sh EXAMPLES 35 .Dl $ printf '1\et2\et3\en4\et5\et6\en' | max 36 .Dl 4 5 6 37 .Sh SEE ALSO 38 .Xr mean 1 , 39 .Xr min 1 , 40 .Xr sum 1 41 .Sh AUTHORS 42 .An Anders Damsgaard Aq Mt anders@adamsgaard.dk