Date: Mon, 8 Aug 2005 10:36:53 -0700 From: Brooks Davis <brooks@one-eyed-alien.net> To: Jeremie Le Hen <jeremie@le-hen.org> Cc: freebsd-hackers@freebsd.org Subject: Re: sed s///i Message-ID: <20050808173653.GA1936@odin.ac.hmc.edu> In-Reply-To: <20050806125340.GA45385@obiwan.tataz.chchile.org> References: <20050806125340.GA45385@obiwan.tataz.chchile.org>
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--tKW2IUtsqtDRztdT Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Aug 06, 2005 at 02:53:40PM +0200, Jeremie Le Hen wrote: > Hi, >=20 > I would like to implement the 'i' flag for the 's' command in sed(1). > This flag would mean that the match must be case insensitive. >=20 > I'm not willing to implement this to conform to GNU sed(1), I just find > it very handy : >=20 > s/[Ff][Oo][Oo]/bar/ >=20 > would become >=20 > s/foo/bar/i >=20 > Before I start modifying the code, I would like if it is something that > has chances to get commited or not, although SUSv3 doesn't talk about > this flag. I can't see any harm in implementing this. Anyone trying to make an "i" flag mean anything else would be taken out and shot. :) > I also need to add that this change would be a little intrusive in the > code. Actually the regular expression gets compiled, then the > substitute string and finally flags are handled. Thus this would > require scanning flags before compiling the regular expression. Are there any test cases out there for sed RE handling? If not, I'd suggest this would be a good time to create some to help insure this change maintains correctness. -- Brooks --=20 Any statement of the form "X is the one, true Y" is FALSE. PGP fingerprint 655D 519C 26A7 82E7 2529 9BF0 5D8E 8BE9 F238 1AD4 --tKW2IUtsqtDRztdT Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iD8DBQFC95giXY6L6fI4GtQRAjSrAKCs2Gw/41rZLSs9/N4erRZjuZvyQQCcCiDP e2Glkwm3sBVlC7HErnskXtg= =13C0 -----END PGP SIGNATURE----- --tKW2IUtsqtDRztdT--
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