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Subject: Re: [OMPI devel] [OMPI svn] svn:open-mpi r27601 - trunk
From: Paul Hargrove (phhargrove_at_[hidden])
Date: 2012-11-14 21:37:34


Larry,

I just wanted to speak up quickly to be sure nobody used your example to
"fix" the Mac OS problem and thereby break Solaris instead. No personal
attack/affront was intended.

-Paul

On Wed, Nov 14, 2012 at 7:10 PM, Larry Baker <baker_at_[hidden]> wrote:

> Paul,
>
> 1) I wasn't trying to solve the --version issue, only the parsing of the
> response.
> 2) I assumed from the initial e-mail that the broken parser was in a Perl
> script. I'm not a Perl person, so I wrote the example regular expression
> parser in sed.
>
> These commands were done on my Mac OS X 10.6 system. I have no idea where
> the apps came from. I know the sed, at least, does not recognize regular
> expressions documented for GNU sed (such as \< \> for begin/end word).
> Maybe it is a BSD sed?
>
> I was just trying to illustrate how to fix the broken parsing of Ralph's
> "flex --version". Assuming the RE parser I wrote is satisfactory, it would
> have to be adapted to fit in the framework, i.e., it has to be portable.
>
> Larry Baker
> US Geological Survey
> 650-329-5608
> baker_at_[hidden]
>
>
>
> On 14 Nov 2012, at 5:41 PM, Paul Hargrove wrote:
>
> On Wed, Nov 14, 2012 at 6:26 PM, Larry Baker <baker_at_[hidden]> wrote:
>
>> m4 --version | sed -n -E -e
>> '1s/^.*[^A-Za-z0-9_-]?([0-9]+[.][0-9]+[.][0-9]+)[^A-Za-z0-9_-]?.*$/\1/p'
>>
>
>
> There are STILL problems with this approach as it is TWICE specific to GNU
> software:
>
> 1) M4 on OpenBSD (maybe others) doesn't support a "--version" flag:
> $ m4 --version | sed -n -E -e
> '1s/^.*[^A-Za-z0-9_-]?([0-9]+[.][0-9]+[.][0-9]+)[^A-Za-z0-9_-]?.*$/\1/p'
> m4: unknown option -- -
> usage: m4 [-gPs] [-Dname[=value]] [-d flags] [-I dirname] [-o filename]
> [-t macro] [-Uname] [file ...]
>
> 2) sed on Solaris (maybe others) doesn't support a "-E" flag:
> $ m4 --version | sed -n -E -e
> '1s/^.*[^A-Za-z0-9_-]?([0-9]+[.][0-9]+[.][0-9]+)[^A-Za-z0-9_-]?.*$/\1/p'
> /bin/sed: illegal option -- E
>
> -Paul
>
> --
> Paul H. Hargrove PHHargrove_at_[hidden]
> Future Technologies Group
> Computer and Data Sciences Department Tel: +1-510-495-2352
> Lawrence Berkeley National Laboratory Fax: +1-510-486-6900
>
> _______________________________________________
> devel mailing list
> devel_at_[hidden]
> http://www.open-mpi.org/mailman/listinfo.cgi/devel
>
>
>

-- 
Paul H. Hargrove                          PHHargrove_at_[hidden]
Future Technologies Group
Computer and Data Sciences Department     Tel: +1-510-495-2352
Lawrence Berkeley National Laboratory     Fax: +1-510-486-6900