Date: Sun, 4 Mar 2001 18:26:54 +0200 From: Peter Pentchev <roam@orbitel.bg> To: Mario Sergio Fujikawa Ferreira <lioux@uol.com.br> Cc: freebsd-ports@freebsd.org Subject: Re: FreeBSD port openjade patch Message-ID: <20010304182654.E71838@ringworld.oblivion.bg> In-Reply-To: <20010226144045.A27621@Fedaykin.here>; from lioux@uol.com.br on Mon, Feb 26, 2001 at 02:40:45PM -0300 References: <20010226144045.A27621@Fedaykin.here>
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On Mon, Feb 26, 2001 at 02:40:45PM -0300, Mario Sergio Fujikawa Ferreira wrote:
[snip]
> Why the following sed and perl regexps are not similar?
>
> 1) ${SED} -e 's/-m[0-9a-zA-Z]+(=[0-9a-zA-Z]*)?//g' \
> -e 's/-O[s2-9]+//g
> 2) ${PERL} -p -ne "s/-O[s2-9]+//g;s/-m[0-9a-z]+(=[0-9a-z]*)?//g"
>
> Applied against the following test
> CFLAGS=-O -pipe -Wall -march=pentium -mcpu=pentium -mpentium -Os
> I get the following respective results:
>
> 1) CFLAGS=-O -pipe -Wall -mpentium -march=pentium -mcpu=pentium -Os
> 2) CFLAGS=-O -pipe -Wall
I think you want sed's -E flag which makes it process extended regular
expressions. Without it, sed does not recognize '+', and wants \( \)
instead of ( and ).. sed -E -e 'your expressions' worked fine for me.
G'luck,
Peter
--
Thit sentence is not self-referential because "thit" is not a word.
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