possible bashism in bashisms/exit-code.sh line 4 ('exit --' should be 'exit' (idem for return)):
exit -- 2 # BASHISM
possible bashism in bashisms/exit-code.sh line 6 (exit|return status code greater than 255):
exit 256 # BASHISM
possible bashism in bashisms/exit-code.sh line 7 (exit|return with negative status code):
exit -1 # BASHISM