I'm using open to have microsoft's osql.exe execute some sql for me and save it down to file. This works fine except when the file it saves down to is open. ( like in excel for instance. ) At that point, I get an error printed out to console:
Cannot open output file - c:\test\data\extract.csv
No such file or directory

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Now I know it's the wrong error getting printed to console, I just want to catch the fact that something bad happenned. how would guys do it?
sub SqlScriptResultsToFile
{
    my %args = (
        db_srv                => '',
        db_name                => '',
        db_user                => '',
        db_pass                => '',
        sql                    => '',
        filepath            => '',
        separator            => ',',
        columnwidth            => 20000,
        @_
    );
    
    my @errors;

    #  
    #  arg validation ...
    #  

    my $osql = "|c:\\Progra~1\\MSSQL7\\Binn\\osql.exe -n -U$args{db_us
+er} -P$args{db_pass} -S$args{db_srv} -d$args{db_name} -o$args{filepat
+h}";
    $osql .= " -s$args{separator}"        if ( $args{separator}   ne '
+' );
    $osql .= " -w$args{columnwidth}"    if ( $args{columnwidth} ne '' 
+);

    if ( ! open(PROGRAM,$osql) )
    {
        push @errors, "invalid filepath [$args{$filepath}]";
        return ( success => 0, errors => \@errors );
    }
    
    print PROGRAM $args{sql};

    close PROGRAM;

    return ( success => 1, errors => \@errors );
}

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In reply to How would you catch this error? by LanceDeeply

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