File size distribution: Difference between revisions

=={{header|Kotlin}}==

<lang scala>// version 1.2.10

import java.io.File

import kotlin.math.log10

import kotlin.math.floor

fun fileSizeDistribution(path: String) {

val sizes = IntArray(12)

val p = File(path)

val files = p.walk()

var accessible = 0

var notAccessible = 0

var totalSize = 0L

for (file in files) {

try {

if (file.isFile()) {

val len = file.length()

accessible++

if (len == 0L) {

sizes[0]++

continue

}

totalSize += len

val logLen = log10(len.toDouble())

val index = floor(logLen).toInt()

sizes[index + 1]++

}

}

catch (se: SecurityException) {

notAccessible++

}

}

println("File size distribution for '$path' :-\n")

for (i in 0 until sizes.size) {

print(if (i == 0) " " else "+ ")

print("Files less than 10 ^ ${"%-2d".format(i)} bytes : ")

println("%5d".format(sizes[i]))

}

println(" -----")

println("= Number of accessible files : ${"%5d".format(accessible)}")

println("\n Total size in bytes : $totalSize")

println("\n Number of inaccessible files : ${"%5d".format(notAccessible)}")

}

fun main(args: Array<String>) {

fileSizeDistribution("./") // current directory

}</lang>

{{out}}

<pre>

File size distribution for './' :-

Files less than 10 ^ 0 bytes : 2

+ Files less than 10 ^ 1 bytes : 0

+ Files less than 10 ^ 2 bytes : 46

+ Files less than 10 ^ 3 bytes : 380

+ Files less than 10 ^ 4 bytes : 558

+ Files less than 10 ^ 5 bytes : 19

+ Files less than 10 ^ 6 bytes : 6

+ Files less than 10 ^ 7 bytes : 5

+ Files less than 10 ^ 8 bytes : 0

+ Files less than 10 ^ 9 bytes : 0

+ Files less than 10 ^ 10 bytes : 0

+ Files less than 10 ^ 11 bytes : 0

-----

= Number of accessible files : 1016

Total size in bytes : 14459732

Number of inaccessible files : 0

</pre>