From: Dave Thomas <Dave@...>
Date: 2001-04-09T05:47:49+09:00
Subject: [ruby-talk:13564] Re: Mysterious error messages

Luis Casillas <casillas@stanford.edu> writes:

> However, a couple of days ago I ran into a problem I can't
> understand.  I'll show you the offending code and error message
> (numbers are line numbers.  The lines I leave out are either comments
> or blank.  The program terminates fatally at line 8):
> 
> 1 #!/usr/local/bin/ruby -I /usr/local/corpora/220A/Ruby
> 6 load "vars.rb"
> 8 require "cgi"
> 
> /usr/local/corpora/220A/apache/cgi-bin/trans_display.rb:8:in `require': wrong argument type Array (expected String) (TypeError)
>         from /usr/local/corpora/220A/apache/cgi-bin/trans_display.rb:8
> [Sun Apr  8 12:47:26 2001] [error] [client 127.0.0.1] Premature end of script headers: /usr/local/corpora/220A/apache/cgi-bin/trans_display.rb
> 
> The file "vars.rb" do nothing but define some global variables:
> 
> DIRROOT = "/usr/local/corpora/220A/"
> $: << [ DIRROOT + "/Ruby/" ]

    ^^^^^^^^^^^^^^^^^^^^^^^^^^


Here's your problem. You are adding an Array into the $: array, rather 
than a String. If you remove the [ and ], I think all will be well.


Dave