[EMAIL PROTECTED] (Bob Proulx) writes:
> However, I can't see anywhere that expr is defined to always read
> integers as decimal values.
The current documentation says under "expr invocation"
Operands are either integers or strings. Integers consist of one or
more decimal digits, with an optional leading @samp{-}.
So yes, they're always decimal. (POSIX requires this.)
> expr foo + 0
> expr: non-numeric argument
I don't think you can't rely on this behavior in general, as an
extended version of "expr" could treat "foo" as some sort of
integer, as an extension.
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