.TH MEAN 1df "September 2016" "Manual page for mean" .SH NAME .B mean \- print the mean of a list of numbers .SH SYNOPSIS printf '%u\\n' 8 1 58 | .B mean .br .B mean file .br .B mean file1 file2 .SH DESCRIPTION .B mean collects all the newline-delimited numbers given as input, and prints the mean. .SH AUTHOR Tom Ryder