Hi Collin, > +if ! echo '' > 'backslash\is\not\dir\sep'; then
Negating the exit status of a command with ! is not portable [1]. Suggestion: Swap the two branches of the 'if' statement, thus removing the need for negation. Bruno [1] https://www.gnu.org/savannah-checkouts/gnu/autoconf/manual/autoconf-2.72/html_node/Limitations-of-Builtins.html