Syntax

File.getline

Read the next line from the file.


    
    
    
getline()

Examples

Read file line by line until the end.


    javascript
    
    
function main() {
    let file = os.open("data.txt", "r")
    let lineCount = 0

    let line
    while ((line = file.getline()) !== undefined) {
        lineCount++
        Log("Line", lineCount + ":", line)
    }

    Log("Total lines:", lineCount)
    file.close()
}

Returns

Type	Description
string / undefined	Returns the next line (without the line break); returns `undefined` once all content has been read. An empty line in the file returns an empty string `""`.