From: Fabrice Le Fessant <fessant@pa.dec.com>
To: knotwell@f5.com
Cc: Gerd.Stolpmann@darmstadt.netsurf.de, caml-list@inria.fr
Subject: Re: small code problem
Date: Thu, 8 Jul 1999 18:37:12 -0700 (PDT) [thread overview]
Message-ID: <14213.21064.503662.843704@langouste.pa.dec.com> (raw)
In-Reply-To: <14213.16897.231203.976296@knotwell.f5.com>
> This is a serious question (not an argumentative one). How do I avoid
> Invalid_argument when I'm expecting the user to enter a filename on
> the command-line? Or are you just talking in general?
You can check the size of the array before reading it:
if Array.length Sys.argv < 2 then usage ();;
let filename = Sys.argv.(1)
will never raise an Invalid_argument exception.
- Fabrice
Homepage: http://pauillac.inria.fr/~lefessan
next prev parent reply other threads:[~1999-07-10 18:03 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-07-02 22:30 <Brad Knotwell
1999-07-08 4:56 ` Markus Mottl
1999-07-08 22:49 ` Gerd Stolpmann
1999-07-09 0:27 ` <Brad Knotwell
1999-07-09 1:37 ` Fabrice Le Fessant [this message]
1999-07-08 18:23 Damien Doligez
[not found] <199907090927.KAA09195@toy.william.bogus>
1999-07-09 13:56 ` Gerd Stolpmann
1999-07-11 19:23 ` Markus Mottl
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