Both files have been sorted on the join field — this is a requirement of the program. george jim kumar gunaware albert martha george sophie The join of these two files (with no argument) would produce: george jim sophie Indeed, only "george" is common as a first word of both files.
Приметити да су листе сортиране — програм захтева да буду. george jim mary john albert martha george sophie join над ове две датотеке (без аргумената) даће: george jim sophie Заиста, само "george" је заједнички за обе датотеке.