kotlin-stdlib/kotlin.io/forEachLine

forEachLine

fun File.forEachLine(charset: Charset = Charsets.UTF_8, action: (line: String) -> Unit)
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Reads this file line by line using the specified charset and calls action for each line. Default charset is UTF-8.

You may use this function on huge files.

Parameters

charset

character set to use.

action

function to process file lines.

fun Reader.forEachLine(action: (String) -> Unit)
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Iterates through each line of this reader, calls action for each line read and closes the Reader when it's completed.

Parameters

action

function to process file lines.