Infrared communication between 2 arduinos

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Arduino

Hi, I have 2 arduinos and i want to send from the first arduino, the input of the serial monitor, to the second arduino, using ir leds.

I use something like that:

void setup()
{
Serial.begin(9600);
Serial.println("Enter a word or a phrase:");
}

void loop()
{
if (Serial.available() > 0)
{
serialinput = Serial.read();
}
/*then i want here to use an irsend to put the serialinput and send it,
via ir to the other arduino
and see it in the serial monitor of the receiver. */
// something like this: irsend.sendSony(serialinput, 20)
}
So, can you tell me if this would work and which irsend should i use, because i dont know the difference between them? (for example there is a sendSony, sendNEC, send RC5 and many other). Or if I can learn their differences from somewhere, because i cant find them.

What I have tried:

I am new to arduino and I dont know exactly how to use irsend. I have tried something like in the description above, but i couldn't see nothing even in the serial monitor of the transmiter.