Three questions

Three questions

[Mikael Åsberg]

Hello, I have three questions that aren't related.
First: Is there a cygwin package that will let me compare two binary files 
to see if they are equal?

Second: Is there a way to prevent gcc from adding .exe extension when 
building programs? I recall hearing something that win98 needs the .exe, but 
I can launch programs from within Cygwin under Windows XP Pro just fine 
without the extension so if I could get GCC not to add this extension it'd 
be great. The reason I want this is that I have to rewrite my Makefiles when 
moving projects to-and-from cygwin-fedora.

Third: I tried removing an the .exe-extension from a file by issuing:
$ mv tiny_mdi_example_without_ggdb.exe tiny_mdi_example_without_ggdb

The error I got was:

mv: `tiny_mdi_example_without_ggdb.exe' and `tiny_mdi_example_without_ggdb' 
are the same file

So I used Explorer to do it, but I'd like to know how I should get mv to do 
this.

Thanks for any replies and may the year 2005 be a prosperous year for you

/ M 



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Re: Three questions

[Christopher Faylor]

On Wed, Dec 29, 2004 at 04:33:26PM +0100, Mikael ?sberg wrote:
>Hello, I have three questions that aren't related.
>First: Is there a cygwin package that will let me compare two binary files 
>to see if they are equal?

diff

>Second: Is there a way to prevent gcc from adding .exe extension when 
>building programs? I recall hearing something that win98 needs the .exe, 
>but I can launch programs from within Cygwin under Windows XP Pro just fine 
>without the extension so if I could get GCC not to add this extension it'd 
>be great. The reason I want this is that I have to rewrite my Makefiles 
>when moving projects to-and-from cygwin-fedora.

gcc -o foo. foo.c

>Third: I tried removing an the .exe-extension from a file by issuing:
>$ mv tiny_mdi_example_without_ggdb.exe tiny_mdi_example_without_ggdb

$ mv tiny_mdi_example_without_ggdb.exe tiny_mdi_example_without_ggdb.

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Re: Three questions

[Ehud Karni]

On Wed, 29 Dec 2004 10:44:02 -0500, Christopher Faylor wrote:
>
> >Third: I tried removing an the .exe-extension from a file by issuing:
> >$ mv tiny_mdi_example_without_ggdb.exe tiny_mdi_example_without_ggdb
>
> $ mv tiny_mdi_example_without_ggdb.exe tiny_mdi_example_without_ggdb.

Actually, this does not work (cygwin1.dll 1.5.12(0.116/4/2)), with
the same error as without the extra dot, but the following does work:
$ mv tiny_mdi_example_without_ggdb.exe another-name
$ mv another-name tiny_mdi_example_without_ggdb
no extra dot needed.

Ehud.


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Re: Three questions

[Christopher Faylor]

On Wed, Dec 29, 2004 at 09:27:40PM +0200, Ehud Karni wrote:
>On Wed, 29 Dec 2004 10:44:02 -0500, Christopher Faylor wrote:
>>
>> >Third: I tried removing an the .exe-extension from a file by issuing:
>> >$ mv tiny_mdi_example_without_ggdb.exe tiny_mdi_example_without_ggdb
>>
>> $ mv tiny_mdi_example_without_ggdb.exe tiny_mdi_example_without_ggdb.
>
>Actually, this does not work (cygwin1.dll 1.5.12(0.116/4/2)), with
>the same error as without the extra dot, but the following does work:
>$ mv tiny_mdi_example_without_ggdb.exe another-name
>$ mv another-name tiny_mdi_example_without_ggdb
>no extra dot needed.

Hmm.  Apparently this has been fixed in the latest snapshot.  Hopefully
it isn't just a lurking bug but is an actual fix.

cgf

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