#!/bin/sh wrapper real_script "$@" #### #!/bin/sh perl "$@" #### #!perl -w 4; print("Hello, World\n"); #### $ script Useless use of a constant (4) in void context at real_script line 2. Hello, World
## #!/bin/sh perl "$@" ##
## #!perl -w 4; print("Hello, World\n"); ##
## $ script Useless use of a constant (4) in void context at real_script line 2. Hello, World