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 <ba...@usgs.gov> 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 > ba...@usgs.gov > > > > On 14 Nov 2012, at 5:41 PM, Paul Hargrove wrote: > > On Wed, Nov 14, 2012 at 6:26 PM, Larry Baker <ba...@usgs.gov> 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 phhargr...@lbl.gov > 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 > de...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/devel > > > -- Paul H. Hargrove phhargr...@lbl.gov Future Technologies Group Computer and Data Sciences Department Tel: +1-510-495-2352 Lawrence Berkeley National Laboratory Fax: +1-510-486-6900
