> I am writing a script and appear completely unable to employ expr.
>
> It works for plus but for no other operators. I need *.
Are you forgetting that * is a shell metacharacter and would need to
be protected from shell expansion? Check this with echo.
echo expr 2 * 3
You want to quote the * by any of the shell quoting methods.
echo expr 2 '*' 3
echo expr 2 "*" 3
echo expr 2 \* 3
The same goes for other shell metacharacters as well. Check out the
man page or info page on your shell. 'info bash'
Hope that helps
Bob
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