RosettaCodeData/Task/Keyboard-input-Keypress-check/Wren/keyboard-input-keypress-check.wren
2023-07-01 13:44:08 -04:00

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Text

import "scheduler" for Scheduler
import "timer" for Timer
import "io" for Stdin, Stdout
Stdin.isRaw = true // no echoing or buffering
var b
Scheduler.add {
b = Stdin.readByte()
}
System.print("Awaiting keypress..")
Timer.sleep(2000) // allow 2 seconds say
if (b) {
System.write("The key with code %(b) was pressed")
System.print((b > 31 && b < 127) ? " namely '%(String.fromByte(b))'." : ".")
} else {
System.print("No key was pressed, carrying on...")
}
Stdin.isRaw = false