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Takes two directory names as arguments, iterates through the files in those directories, adds their content to lists of lists and prints what it has found.
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| import java.io.File | |
| var file: MutableList<List<String>> = ArrayList() //list of lists | |
| var file2: MutableList<List<String>> = ArrayList() //list of lists | |
| fun main(args: Array<String>) { | |
| file = readDir(args[0]) | |
| file2 = readDir(args[1]) | |
| for (e in file) println(e) | |
| for (e in file2) println(e) | |
| } | |
| fun readDir(dir: String): MutableList<List<String>> { | |
| val readFiles: MutableList<List<String>> = ArrayList() | |
| File(dir).walkTopDown().forEach { | |
| println(it.toString()) | |
| if (File(it.toString()).extension == "txt") { //balks at directory names | |
| readFiles.add(File(it.toString()).readLines()) //add list of lines to list of lists | |
| } | |
| } | |
| return readFiles | |
| } |
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