SC3048

(or "In dash, ... is not supported." when using dash)

trap 'handle_interrupt' SIGINT

trap 'handle_interrupt' INT

POSIX does not allow specifying the "SIG" prefix of a signal name like "INT". Bash and Ksh supports this as an extension.

Simply remove the "SIG" from the signal name.

None

• Help by adding links to BashFAQ, StackOverflow, man pages, POSIX, etc!