visco wrote: > Could anyone tell me what is the purpose of $< > > I found it in a Makefile as follows > $(CXX) $(CXXFLAGS) -c $< -o $@
That's not a bash variable. It's a Makefile variable. http://www.gnu.org/software/make/manual/make.html#Automatic-Variables > Also it would be nice if anyone could give a link explaining spl. > variables used in bash There's a "Special Parameters" section in the bash man page.