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Date: Mon,  8 Jun 2009 02:35:13 -0700
Message-ID: <dd6fe68a0906080235g73584f16wdf84180274041006@mail.gmail.com>
Subject: Re: [9fans] simple question: multiple rename
From: Russ Cox <rsc@swtch.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
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On Mon, Jun 8, 2009 at 12:50 AM, Rudolf Sykora<rudolf.sykora@gmail.com> wro=
te:
> Hello,
> Still wonder, what's the right way to make the following work:

The right way is

s=3D`{echo $i | sed 's/(.+)_g/\1/'}.

> s =3D `{sam -d <<EOF <{echo $i} >[2] /dev/null
> =C2=A0 =C2=A0 =C2=A0 =C2=A01s/(.+)_g/\1
> =C2=A0 =C2=A0 =C2=A0 =C2=A0p
> =C2=A0 =C2=A0 =C2=A0 =C2=A0EOF
> =C2=A0 =C2=A0 =C2=A0 }

If you must use sam, the right way is

s=3D`{echo '1s/(.+)_g/
p' | sam -d <{echo $i} >[2]/dev/null }

If you must use here docs, the way that works is

s=3D`{sam -d <<EOF <{echo $i} >[2]/dev/null}
1s/(.+)_g/\1
p
EOF

Russ