Apologizes if this has already been answered.
I heavily use command line scripts and combination of piped commands to generate list of numbers that I want to “statistically” analyze by piping them to a julia script.
To be clear and simple, let’s say that I have a file containing numbers and a julia script that calculate the sum of the numbers. I want to call my script in the following way:

cat my_file.dat | julia my_script.jl

and this should display the sum of the numbers.

I’ve seen that I can do that with R in the following way

To conclude the topic, if this can help others, here is the script I’ve written to calculate basic statistics from a standard input (in csv format):

#!julia
# Basic statistics from a piped input (a list of figures in csv format)
# Take input file as column of figures, csv format
using Statistics # call the right package
precision=2 # set precision
lines = readlines(stdin) # reading lines from the standard input
s = split.(lines,",") # split lines from the input (with coma as separator)
# be careful the output is an array of arrays
(m,n) = (length(s),length(s[1])) # get dimensions
res = ones(m,n) # create an array of Floats of the right dimension
# read the input split data and fill the Float array
for j = 1:m
for i = 1:n
res[j,i] = parse(Float64,s[j][i])
end
end
# for each column calculate the basic statistics
for i = 1:size(res,2)
if size(res,2)>=2 # print column identifier for more than one column
print("col $i ")
end
println("[Min:",minimum(res[:,i])," Max:",maximum(res[:,i])," Avg:",round(mean(res[:,i]),digits=precision)," Sum:",sum(res[:,i])," Std:",round(std(res[:,i]),digits=precision)," Med:",round(median(res[:,i]),digits=precision),"]")
end

Save this script in a file called bstats (basic stats), give rights to execute it
Usage is very simple: