From: rpardee@... (Roy Pardee)
Date: 2004-09-26T03:19:31+09:00
Subject: Nuby: How do I find out what exception was thrown?

Greetings all,

I'm using ruby v1.8 on winxp.  I'm trying to get a script together to
delete a particular file if it exists--here it is in full:

#------------------------------
# KillOwnerLok.rb
# Looks for Eudora's signal file and tries to delete it.
# 

FileToKill = '\\\blackula\Profiles\Laurel\Application
Data\Qualcomm\Eudora\owner.lok'

if File.exist?(FileToKill)
   puts FileToKill + " found!"
   if File.delete(FileToKill) > 0
      puts "Succesfully deleted " + FileToKill + "--you should be able
to use Eudora now."
   else
      puts "Could not delete " + FileToKill + "for some reason--is
Eudora open?"
   end
else
   puts "Could not find " + FileToKill
end

# rescue # What would go here?
#------------------------------

[Pls watch for line wrap...]

If I try to run this while the file in question is opened by another
process I get this output:

------------------------------------------
F:\>ruby KillOwnerLok.rb
\\blackula\Profiles\Laurel\Application Data\Qualcomm\Eudora\owner.lok
found!
KillOwnerLok.rb:9:in `delete': Permission denied -
\\blackula\Profiles\Laurel\Ap
plication Data\Qualcomm\Eudora\owner.lok (Errno::EACCES)
        from KillOwnerLok.rb:9
------------------------------------------

I'd like to print my "Could not delete..." message in a rescue
section, but I don't know how to translate the error message from the
output into something 'rescuable'.  How do I do that?

Thanks!

-Roy