The stock removal method is probably used more than forging techniques. Not necessarily easier, just a different method. Both require specialized equipment.
My Dad used to make hunting and skinning knifes out of worn out files. I still use mine, they seem to hold an edge pretty well. Not to compare to high end knife steel, but for a rustic looking knife in a home made scabbard. I get to say with pride, my Dad made these.
To make a knife from a file first get a GOOD file Nickolson or Siemons not Chinese. Then build a red hot bed of wood coals. Lay the file in the bed of coals cover with coals and let the fire burn out and cool down. This will soften the steel and make it easy to work. After the knife is shaped by either material removeal or forging, it is time to reharden and temper the steel. Harden by heating in a bed of red hot coals until a magnet doesn't stick and then quench in oil. (make sure you "hang" the blade when quenching don't lay it flat!). Then to temper reheat the blade to between 500 and 650 degrees and slowly air cool. Most kitchen electric ovens will go to 500 degrees, and lead melts around 640 degrees so a lead bath will work. This should give you a serviceable blade. :idunno: