How to define a shell script with variable number of arguments?

Question

I would like to define a simple abbreviation of a call to gs (ghostscript) via a shell script. The first argument(s) give all the files that should be merged, t

Answer 1

To access the last argument, in addition to Idelic's answer above, you can also do:

echo "${@: $#}"

This reads all of the arguments and prints them starting from the last one. This way, you can also access the N last arguments, for example for the last three arguments:

echo "${@: $#-2}"

$ ./script "what    does" "this  script" "do" "?"
this  script do ?