when reading that doc, i cannot understand the following script

#!/bin/bash
exec /usr/lib/distcc/bin/sparc-unknown-linux-gnu-g${0:$[-2]} "$@"

what does the ":" do here?


On Wed, Sep 16, 2009 at 9:14 PM, Xi Shen <davidshe...@googlemail.com> wrote:
> great! thanks a lot. why i did not find this out, haha ;)
>
>
> On Wed, Sep 16, 2009 at 8:08 PM, malc <mlash...@gmail.com> wrote:
>> On Wed, Sep 16, 2009 at 9:41 AM, Xi Shen <davidshe...@googlemail.com> wrote:
>>>
>>> i want to use discc to speed my emerge compilation. but the problem is
>>> that i have 32bit and 64bit mixed environment, and some of the cpus do
>>> not support amd64 mode. so i just wonder if i could do cross compile.
>>>
>>> has anyone done this before? any suggestions/comments are welcomed.
>>
>> Did you try - http://www.gentoo.org/doc/en/cross-compiling-distcc.xml ?
>>
>> Cheers,
>> malc.
>>
>>
>
>
>
> --
> Best Regards,
> David Shen
>
> http://twitter.com/davidshen84/
> http://meme.yahoo.com/davidshen84/
>



-- 
Best Regards,
David Shen

http://twitter.com/davidshen84/
http://meme.yahoo.com/davidshen84/

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