Mark Wooding <mdw@xxxxxxxxxxxxxxxx> writes:
> From: Mark Wooding <mdw@xxxxxxxxxxxxxxxx>
>
> Some words, e.g., `match', are special to expr(1), and cause strange
> parsing effects. Track down all uses of expr and mangle the arguments
> so that this isn't a problem.
Gaaaaaaaaaah.
http://www.opengroup.org/onlinepubs/009695399/utilities/expr.html
says use of length, substr, index, match as string arguments
produces unspecified results, so obviously the program was
wrong.
Thanks.
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