# L-10 MCS 507 Wed 13 Sep 2023 : pipe4ls.jl

# Illustrates a pipeline to list the names of
# the Julia scripts in the current directory.

run(pipeline(`ls` ,
    pipeline(`grep ".jl"`, stdout="listing.txt")))
outputfile = open("listing.txt", "r")
lines = readlines(outputfile)
println("Julia scripts in current directory :")
for i=1:length(lines)
    println(lines[i])
end