Date: Mon, 5 Jan 2004 15:28:41 +0000 From: Matthew Seaman <m.seaman@infracaninophile.co.uk> To: zhangweiwu@realss.com Cc: questions@freebsd.org Subject: Re: help me with this sed expression Message-ID: <20040105152841.GA2784@happy-idiot-talk.infracaninophile.co.uk> In-Reply-To: <Law11-F31WerOc0Ne0P00016107@hotmail.com> References: <Law11-F31WerOc0Ne0P00016107@hotmail.com>
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On Mon, Jan 05, 2004 at 07:49:43PM +0800, Zhang Weiwu wrote:
> Hello. I've worked an hour to figure out a serial of sed command to proce=
ss=20
> some text (without any luck, you kown I'm kinda newbie). I really=20
> appreciate your help.
>=20
> The original text file is in this form -- for each line:
> one Chinese word then one or two English word seperated by space.
>=20
> I wish to change to:
> 1) target file: one English word, then a space, then a Chinese word=20
> coorisponding to that English word.
> 2) if in the original file one Chinese word has more than one English wor=
d=20
> following in the same line, repeat the Chinese word to satisfy 1).
>=20
> Define: Chinese word =3D one or more continous bytes of data where each b=
yte=20
> is greater then 128 in value. (it is true in GB2312 Chinese charset which=
=20
> this email is written in.)
> Define: English word =3D one or more continous bytes of [a-z].
>=20
> Say, for the original file:
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> ??a av
> ????????aaav
> ????????aacm
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> The target file should be:
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> a ??
> av ??
> aaav ????????
> aacm ????????
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>=20
> I tried to do things like s/\(.*\)\([a-z]*\)/\2 \1/ but the first \(.*\) =
is=20
> too greedy and included the rest [a-z].
Dunno about sed(1) but you could do the job like this:
perl -ne '($c, $e) =3D m/^([\x{81}-\x{ff}]+)([a-z ]+)\z/; foreach $x (s=
plit / /, $e) { print "$c $x\n"; }' filename
Cheers,
Matthew
--=20
Dr Matthew J Seaman MA, D.Phil. 26 The Paddocks
Savill Way
PGP: http://www.infracaninophile.co.uk/pgpkey Marlow
Tel: +44 1628 476614 Bucks., SL7 1TH UK
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