1. V1.46 especialy won't do, you need v1.75 or higher in order to use knifes or anything hand held, since you need to class them as a hand gun.
2. There allready is a punch weapon and a hit weapon (with your gun) that you can use when you are out of ammo. The classname is "StrokeFist" or "StrokeGun" and either will work for both punch and gun hits. Also these are weapons and need magazines.
3. Even though it can be done, its clumsy, and usualy doesnt work. You can almost never kill your enemy with it.
4. OFP is not the kind of game for such. Maybe a bayonett or Kabar knife here and there, but for the most part OFP is a more large scale land and air combat game meant for longer range engagement, no CQB or melee BS. OFP infact handles those very BADLY.
5. I know I allready said this but BUY RESISTANCE, you will need it for almost every single addon that came out after it did. That is the main reason you are allready out of the loop.
6. Someone made an addon where you can throw knifes, but they are very hard to use and have a short range, and have no practical use in missions.
@ Pollocks, prison break missions are damn hard in OFP, since players can ALWAYS exploit every situation, you can even get out of a locked cell by yourself in OFP if you tried hard enough. Use a pistol, since a knife would take way to long to kill an enemy.