LoopCommandOnFiles.kts

import java.io.File
import java.io.IOException
import java.util.concurrent.TimeUnit


fun travers(file: File) {
    file.listFiles().forEach {
        if (it.isDirectory) {
            travers(it)
        } else {

            var command = "afconvert  \"${it.path}\" \"${it.path.split(".").toMutableList().apply { removeLast() }.joinToString("")}.caf\"     -d ima4 -f caff -v"
            println(command)
            println(" out "+command.runCommand2(it.parentFile))


        }
    }
}

travers(File("/Users/shakir/Downloads/masjid_sounds"))

fun String.runCommand(workingDir: File) {
    ProcessBuilder(*split(" ").toTypedArray())
        .directory(workingDir)
        .redirectOutput(ProcessBuilder.Redirect.INHERIT)
        .redirectError(ProcessBuilder.Redirect.INHERIT)
        .start()
        .waitFor(60, TimeUnit.MINUTES)
}


fun String.runCommand2(workingDir: File): String? {
    try {
        val parts = this.split("\\s".toRegex())
        val proc = ProcessBuilder(*parts.toTypedArray())
            .directory(workingDir)
            .redirectOutput(ProcessBuilder.Redirect.PIPE)
            .redirectError(ProcessBuilder.Redirect.PIPE)
            .start()

        proc.waitFor(60, TimeUnit.MINUTES)
        return proc.inputStream.bufferedReader().readText()
    } catch (e: IOException) {
        e.printStackTrace()
        return null
    }
}