SPUG: Two errors I need hashing out
dcd at tc.fluke.com
Tue Jan 15 12:33:48 CST 2002
On Tue, 15 Jan 2002 at 10:26 -0800, Susanne Bullo <sweetsue at sweethomes.com>...:
> Yes, actually I do intend that - the username to log in is just for the
> database. Then there are several users within that database so $username
> would have to be overwritten for each one.
> How do I go about checking the return result on my open()?
in perldoc -f open it states
Open returns nonzero upon success, the undefined value otherwise.
so test the return result.
It also states:
When opening a file, it's usually a bad idea to
continue normal execution if the request failed,
so "open" is frequently used in connection with
"die". Even if "die" won't do what you want (say,
in a CGI script, where you want to make a nicely
formatted error message (but there are modules
that can help with that problem)) you should
always check the return value from opening a file.
The infrequent exception is when working with an
unopened filehandle is actually what you want to
If you're doing CGI, you may want to add
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