SC2033

Shell functions can't be passed to external commands.

Problematic code:

foo() { bar --baz "$@"; frob --baz "$@"; };
find . -exec foo {} +

Correct code:

find . -exec sh -c 'bar --baz "$@"; frob --baz "$@";' -- {} +

Rationale:

Shell functions are only known to the shell. External commands like find, xargs, su and sudo do not recognize shell functions.

Instead, the function contents can be executed in a shell, either through sh -c or by creating a separate shell script as an executable file.

Contraindications

None.