Fork: Difference between revisions

=={{header|Kotlin}}==

{{trans|NetRexx}}

<lang scala>// version 1.1.51

import java.io.InputStreamReader

import java.io.BufferedReader

import java.io.IOException

fun main(args: Array<String>) {

try {

val pb = ProcessBuilder()

val currentUser = pb.environment().get("USER")

val command = listOf("ps", "-f", "U", currentUser)

pb.command(command)

val proc = pb.start()

val isr = InputStreamReader(proc.inputStream)

val br = BufferedReader(isr)

var line: String? = "Output of running $command is:"

while(true) {

println(line)

line = br.readLine()

if (line == null) break

}

}

catch (iox: IOException) {

iox.printStackTrace()

}

}</lang>

Sample output (Ubuntu 14.04):

<pre>

Output of running [ps, -f, U, alan] is:

UID PID PPID C STIME TTY STAT TIME CMD

user1 1382 1370 0 23:09 ? Ss 0:00 init --user

.....

user1 5297 2592 0 23:49 pts/5 Sl+ 0:00 java -jar Fork.jar

user1 5309 5297 0 23:49 pts/5 R+ 0:00 ps -f U user1

</pre>