That snippet doesn't do anything if the use() fails. And, what if it is NT but Win32::ODBC isn't installed? What if it is a Win32 system with DBI installed? How about:
eval { require DBI };
if ($@) {
warn "DBI not here.. will keep checking...";
}
eval { require Win32::ODBC };
if ($@) {
warn "Oh oh";
}
... etc...
or (ok, this is far fetched):
my %subs = ('DBI' => \&use_dbi,
'Win32::ODBC' => \&use_odbc,
'Win32::OLE' => \&use_ole
);
my @mods = ('DBI', 'Win32::ODBC', 'Win32::OLE');
for (@mods) {
eval { require $_ };
if ($@) {
warn "No $_ here";
}else{
$subs{$_}->();
last;
}
}
Cheers,
KM
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