Re: test-vc-cvs [was: IRIX failures]

[Eric Blake]

On 09/02/2010 08:25 AM, Eric Blake wrote:
> Next, your trace showed the cause of the first message:
>
> +mktempd_:51> template_length_=+mktempd_:1> wc -c
> +mktempd_:51> template_length_=' 16'
> +mktempd_:52> nx_=+mktempd_:1> echo gt-init.sh.
> +mktempd_:52> nx_=+mktempd_:1> wc -c
> +mktempd_:52> nx_=' 12'
> +mktempd_:53> nx_=+mktempd_:1> expr ' 16' - ' 12'
> non-numeric argument
>
> So wc is outputting space-padded results, and expr doesn't like the
> leading spaces.

But the leading spaces wouldn't have been there in the first place, if 
zsh had properly been in POSIX mode.  (I'll never know why zsh thinks 
that inhibiting field splitting by default makes sense for portability 
matters.)  With a proper shell, expr would never have seen leading 
spaces in the first place to complain of a non-numeric argument.

--
Eric Blake   address@hidden    +1-801-349-2682
Libvirt virtualization library http://libvirt.org