kotlin-stdlib/kotlin.io/readLine

readLine

fun readLine(): String?(source)

Reads a line of input from the standard input stream.

Since Kotlin

1.0

Return

the line read or null if the input stream is redirected to a file and the end of file has been reached.

external fun readLine(): String?(source)

Deprecated

Warning since 2.1

Use `readln()` instead of `readLine()!!`, and `readlnOrNull()` instead of `readLine()`.

Reads a line of input from the standard input stream.

Since Kotlin

1.3

Return

the line read or null if the input stream is redirected to a file and the end of file has been reached.