function main() {
let file = os.open("data.txt", "r")
// data.txt
// This is a test line: Line 1.
// This is a test line: Line 2.
// ...
let chunkSize = 29
let totalBytes = 0
while (!file.eof()) {
let chunk = file.read(chunkSize)
if (chunk) {
totalBytes += chunk.length || chunk.byteLength
Log("Read chunk, total bytes so far:", totalBytes, ", chunk:", chunk)
}
}
file.close()
}