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NNTP-Posting-Date: Mon, 20 Jun 2011 19:02:15 -0500
Date: Mon, 20 Jun 2011 17:02:16 -0700
From: Patricia Shanahan <pats@acm.org>
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Subject: Re: CLI Java Glitch
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On 6/20/2011 4:25 PM, Lew Bloch wrote:
> On Jun 20, 4:11 pm, Jeff Higgins<j...@invalid.invalid>  wrote:
>> On 06/20/2011 05:24 PM, Gene Wirchenko wrote:
>>
>>> Dear Java'ers:
>>
>>>        Given
>>
>>> class HelloWorld
>>>      {
>>>      public static void main(String[] args)
>>>         {
>>>         System.out.println("Hello, world!");
>>>         }
>>>      }
>>
>>> is there any way around the following?
>>
>>> C:\cbs2dev\test>java helloworld
>>
>> maybe a wrapper script
>
> That would not help in this case.  Think about the problem and you
> will see why.
>
> OK, I'll tell you why.  Wrapper scripts don't help in the face of
> egregious error.
>
> Perhaps you should be specific with your suggestion.  "Maybe a wrapper
> script" is about as useful as advice as "maybe a program to help
> you".  Could you elucidate precisely what sort of "wrapper script" you
> have in mind, and precisely how you believe it would help, and
> precisely how that would ameliorate egregious error?

I can see a couple of ways a script could help:

1. Create a helloworld.bat script (I'm assuming, given the wish to
ignore case, that this is MS-Windows specific) that runs the java
command with the correct spelling of the class name. Users who run the
script could ignore case.

2. Create a general script, javaignorecase.bat, that takes the same
parameters as the java command. It would scan the class path for
classes. If it found one that matches its class name argument ignoring
case, it would run the java command substituting the actual class name
for its class name argument and passing through the rest of the
arguments unchanged.

Personally, I don't like things that ignore case, but that is a far from
universal view.

Patricia