Prototype mismatch: sub main::trim: none vs ($) at mysqlDB_serial.pl line 188.

here is the code

sub trim($)
{
    my $string = shift;
    $string =~ s/^\s+//;
    $string =~ s/\s+$//;
    return $string;
}

# Left trim function to remove leading whitespace

sub ltrim($)
{
    my $string = shift;
    $string =~ s/^\s+//;
    return $string;
}

# Right trim function to remove trailing whitespace

sub rtrim($)
{
    my $string = shift;
    $string =~ s/\s+$//;
    return $string;
}

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In reply to Prototype mismatch: sub main::trim: none vs ($) at mysqlDB_serial.pl line 188. by bNathan

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