functionpipeline.tiny

########################################################################
#
# Test using the function pipe operator '|>' to
# find the most common words in a file, uppercase them and then
# display the word and its count
#
########################################################################

println("Processing with function composition:")
fileToProcess = 'Tiny Documentation.html'
time {
    readtext(fileToProcess)
    |> split r/\s+/
    |> matchall r/^[a-z]+$/
    |> tohash()
    |> sortdescending{it.value}
    |> first(10)
    |> foreach {
        word = it.Key
        word = head(it.Key).ToUpper() + tail(word)
        println( word.padleft(20) + " : " + it.Value )
    }
}

#
# Do the same thing again with method chaining. This
# is not quite equvalent to the function chaining example
# because we need to turn other data structures into TinyLists
# so we can continue using methods.
# 
println("Processing with method chaining:")

time {
    readtext(fileToProcess)
    .aslist()
    .split(r/\s+/)
    .matchall(r/^[a-z]+$/)
    .tohash()
    .getenumerator()
    .aslist()
    .sortdescending{it.value}
    .take(10)
    .foreach {
        word = it.Key
        word = head(word).ToUpper() + tail(word)
        println( word.padleft(20) + " : " + it.Value )
    }
}