There may be other ways to do this, but:
CPATH="${CPATH}${CPATH:+:}$(echo ~usr1/blah/blah)"
should work.
jon.
On Mon, Feb 16, 2009 at 9:02 AM, Angel Tsankov <fn42...@fmi.uni-sofia.bg> wrote:
> Chet Ramey wrote:
>> Angel Tsankov wrote:
>>> Hi,
>>>
>>> Using bash 3.2.48(1)-release, echo ""~root prints ~root instead of
>>> /root. Is this the expected behaviour?
>>
>> Yes. The tilde is not the first character in the word. Portions of
>> words to be tilde-expanded can't be quoted at all, either.
>
> I see. I came to this example from a real-world problem and, in case
> someone can help, here it is. I'd like to append a path to CPATH
> (separating it from the current contents of CPATH with a colon only if CPATH
> is set and is not empty). The path-to-append points under usr1's home
> directory. Also this should work in contexts such as CPATH=... <some
> command>. I tried CPATH="${CPATH}${CPATH:+:}"~usr1/blah/blah. (I quote
> expansions just to be on the safe side, though I think home directories may
> not contain spaces.) Of course, this did not work for the reason pointed
> above. However, removing the quotes still does not make the
> tilde-expression to expand. How can I achieve my goal?
>
> Regards,
> Angel Tsankov
>
>
>
>
>
>
