%val = "1 2 3 4";
echo(getWord(%val, 2)); //Echoes 3
echo(getWordCount(%val)); //Echoes 4
echo(setWord(%val, 2, "10")); //Echoes "1 10 3 4"
echo(%val); //Still echoes "1 2 3 4"
%val = setWord(%val,2,"10");
echo(%val); //Echoes "1 10 3 4"
%val = 1 TAB 2 TAB 3 TAB 4;
echo(getField(%val, 2)); //Echoes 3