Célestin Matte <celestin.ma...@ensimag.fr> writes:

> Users may be confused when they run the perl script directly.
> A good way to detect this is to check the number of parameters used to call 
> the
> script, which is never different from 2 in a normal use.
> Display a proper error message to avoid any confusion.

Sounds good, thanks.

-- 
Matthieu Moy
http://www-verimag.imag.fr/~moy/
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