devel# ./bar
Can't exec "./foo": No such file or directory at ./bar line 3.
Unknown 'strict' tag(s) '-1' at ./bar line 3.
BEGIN failed--compilation aborted at ./bar line 3.
devel#
####
devel# ./bar
I am ./foo ()
##
##
devel# ./bar 123
I am ./foo (123)
devel#