From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <vsu@altlinux.ru>
Date: Sun, 15 Oct 2006 11:26:34 +0400
From: Sergey Vlasov <vsu@altlinux.ru>
To: community@lists.altlinux.org
Message-ID: <20061015072634.GA7677@procyon.home>
Mail-Followup-To: community@lists.altlinux.org
References: <egrmje$imn$1@sea.gmane.org> <45316999.9080600@gmail.com>
	<egsifm$hdr$1@sea.gmane.org>
Mime-Version: 1.0
Content-Type: multipart/signed; micalg=pgp-sha1;
	protocol="application/pgp-signature"; boundary="ibTvN161/egqYuK8"
Content-Disposition: inline
In-Reply-To: <egsifm$hdr$1@sea.gmane.org>
Subject: Re: [Comm] sh - bash
X-BeenThere: community@lists.altlinux.org
X-Mailman-Version: 2.1.9rc1
Precedence: list
Reply-To: ALT Linux Community <community@lists.altlinux.org>
List-Id: ALT Linux Community <community.lists.altlinux.org>
List-Unsubscribe: <https://lists.altlinux.org/mailman/listinfo/community>,
	<mailto:community-request@lists.altlinux.org?subject=unsubscribe>
List-Archive: <http://lists.altlinux.org/pipermail/community>
List-Post: <mailto:community@lists.altlinux.org>
List-Help: <mailto:community-request@lists.altlinux.org?subject=help>
List-Subscribe: <https://lists.altlinux.org/mailman/listinfo/community>,
	<mailto:community-request@lists.altlinux.org?subject=subscribe>
X-List-Received-Date: Sun, 15 Oct 2006 07:27:33 -0000
Archived-At: <http://lore.altlinux.org/community/20061015072634.GA7677@procyon.home/>
List-Archive: <http://lore.altlinux.org/community/>
List-Post: <mailto:mandrake-russian@linuxteam.iplabs.ru>


--ibTvN161/egqYuK8
Content-Type: text/plain; charset=koi8-r
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

On Sun, Oct 15, 2006 at 08:53:03AM +0300, Artem Zolochevskiy wrote:
> Pavel Usischev wrote:
> >> =F3=CF=C2=D3=D4=D7=C5=CE=CE=CF =D7=CF=D0=D2=CF=D3 =CF=D4=CE=CF=D3=C9=
=D4=C5=CC=D8=CE=CF =CE=C1=D0=C9=D3=C1=CE=C9=D1 =D3=CB=D2=C9=D0=D4=CF=D7
> >> =EF=D4=DE=C5=C7=CF =D6=C5 =D4=CF=C7=C4=C1 =D7=C9=D6=D5 =D7=C5=DA=C4=C5=
 #!/bin/sh (=D7 =D3=D4=C1=D2=D4=CF=D7=D9=C8 =D3=C3=C5=CE=C1=D2=C9=D1=C8 =C9=
=D4=D0) - =C5=D3=CC=C9
> >> =DC=D4=CF=D4 sh =D4=C1=CB=CF=CA =D3=D4=C1=D2=D9=CA =C9 =CE=C5=D5=CD=C5=
=CB=C1?
> >=20
> > =EB=C1=CB =D2=C1=DA =C4=CC=D1 =D0=C5=D2=C5=CE=CF=D3=C9=CD=CF=D3=D4=C9 =
=D3=CB=D2=C9=D0=D4=C1. =F7 ALT /bin/sh -- =DC=D4=CF =CF=D3=CF=C2=D9=CA =D7=
=C1=D2=C9=C1=CE=D4
> > bash, =D7 =C4=D2=D5=C7=C9=C8 =D3=C9=D3=D4=C5=CD=C1=C8 =DC=D4=CF =D7=D0=
=CF=CC=CE=C5 =CD=CF=D6=C5=D4 =C2=D9=D4=D8 =C4=D2=D5=C7=CF=CA =DB=C5=CC=CC, =
=C1 bash =D7=CF=CF=C2=DD=C5
> > =CD=CF=D6=C5=D4 =CF=D4=D3=D5=D4=D3=D4=D7=CF=D7=C1=D4=D8.
>=20
> =F4=C1=CB =D7=CF=D4 =C9 =D1 =D4=C1=CB =C4=D5=CD=C1=CC, =C1 =D0=CF=CC=D5=
=DE=C1=C5=D4=D3=D1, =DE=D4=CF =CE=C5=D4. =E9=C2=CF =D7 =C1=CC=D8=D4=CF=D7=
=D3=CB=C9=C8 =D3=CB=D2=C9=D0=D4=C1=C8
> (=C2=CC=C1=C7=CF=C4=C1=D2=D1 =D4=CF=CD=D5, =DE=D4=CF =D7 =C1=CC=D8=D4 sh =
=DC=D4=CF =D4=CF=D4 =D6=C5 bash) =D0=CF=D7=D3=C5=CD=C5=D3=D4=CE=CF =C9=D3=
=D0=CF=CC=D8=DA=D5=C0=D4=D3=D1
> =C6=C9=DE=C9, =CB=CF=D4 =D7 "=CF=D2=C9=C7=C9=CE=C1=CC=D8=CE=CF=CD" sh =CE=
=C5 =D0=D2=CF=CB=C1=D4=D1=D4. =F0=CF=CC=D5=DE=C1=C5=D4=D3=D1 =CF =D3=CF=D7=
=CD=C5=D3=D4=C9=CD=CF=D3=D4=C9 =D4=D5=D4
> =D2=C5=DE=C9 =CE=C5=D4.

=F7 Debian /bin/sh =CD=CF=D6=C5=D4 =D3=D3=D9=CC=C1=D4=D8=D3=D1 =CE=C1 =CC=
=C0=C2=CF=CA POSIX compatible shell:

  The standard shell interpreter /bin/sh can be a symbolic link to any
  POSIX compatible shell, if echo -n does not generate a newline.

  http://www.debian.org/doc/debian-policy/ch-files.html#s-scripts

=F5 =CE=C1=D3 =D0=CF=CB=C1 =D4=C1=CB=CF=C7=CF =CE=C5=D4, =CE=CF =D7=D3=A3 =
=D2=C1=D7=CE=CF =CC=D5=DE=DB=C5 =D7 =D3=CB=D2=C9=D0=D4=C1=C8, =C7=C4=C5 =CE=
=C1=D0=C9=D3=C1=CE=CF
#!/bin/sh, =CE=C5 =C9=D3=D0=CF=CC=D8=DA=CF=D7=C1=D4=D8 =D7=CF=DA=CD=CF=D6=
=CE=CF=D3=D4=C9, =D3=D0=C5=C3=C9=C6=C9=DE=C5=D3=CB=C9=C5 =C4=CC=D1 bash.

> =C1=CC=D8=D4=CF=D7=D3=CB=C9=CA sh:
> sh-3.1$ A=3D5
> sh-3.1$ B=3D6
> sh-3.1$ C=3D$(($A+$B))
> sh-3.1$ echo $C
> 11
> sh-3.1$
>=20
> =C1 =D0=CF =C9=C4=C5=C5 =D7 sh =DC=D4=CF =CE=C5 =C4=CF=CC=D6=CE=CF =D0=D2=
=CF=CB=C1=D4=D9=D7=C1=D4=D8
> heirloom-sh:
> $ A=3D5
> $ B=3D6
> $ C=3D$(($A+$B))
> syntax error: `C=3D$' unexpected
> $=20

=FC=D4=CF arithmetic expansion, =CB=CF=D4=CF=D2=D9=CA =D7=CF=CF=C2=DD=C5-=
=D4=CF =D7=C8=CF=C4=C9=D4 =D7 =D0=CF=D3=CC=C5=C4=CE=C9=CA =D7=C1=D2=C9=C1=
=CE=D4
=D3=D0=C5=C3=C9=C6=C9=CB=C1=C3=C9=C9 POSIX sh:

http://www.opengroup.org/onlinepubs/009695399/utilities/xcu_chap02.html#tag=
_02_06_04

=F0=D2=C1=D7=C4=C1, =D7 =D3=D4=C1=CE=C4=C1=D2=D4=C5 =C5=D3=D4=D8 =CF=C4=CE=
=C1 =D0=D2=CF=C2=CC=C5=CD=C1: =D4=C1=CD =CE=C1=D0=C9=D3=C1=CE=CF, =DE=D4=CF=
 $(($x) =C9
$((x)) =C4=CF=CC=D6=CE=D9 =D2=C1=C2=CF=D4=C1=D4=D8 =CF=C4=C9=CE=C1=CB=CF=D7=
=CF, =CE=CF =D7=CF=DA=CD=CF=D6=CE=CF=D3=D4=D8 =C9=D3=D0=CF=CC=D8=DA=CF=D7=
=C1=D4=D8
=D0=C5=D2=C5=CD=C5=CE=CE=D9=C5 =C2=C5=DA $ =D7 =D0=D2=CF=C9=DA=D7=CF=CC=D8=
=CE=D9=C8 =D7=D9=D2=C1=D6=C5=CE=C9=D1=C8 =D1=D7=CE=CF =CE=C5 =D0=D2=CF=D0=
=C9=D3=C1=CE=C1; =D7
=D2=C5=DA=D5=CC=D8=D4=C1=D4=C5 =D3=D5=DD=C5=D3=D4=D7=D5=C0=D4 =D7=C1=D2=C9=
=C1=CE=D4=D9 /bin/sh, =C4=CC=D1 =CB=CF=D4=CF=D2=D9=C8 =DA=C1=D1=D7=CC=C5=CE=
=C1
=D3=CF=D7=CD=C5=D3=D4=C9=CD=CF=D3=D4=D8 =D3 POSIX, =CE=CF =D7=D9=D2=C1=D6=
=C5=CE=C9=D1 =D7=C9=C4=C1 $((A+B)) =D4=C1=CD =CE=C5 =D2=C1=C2=CF=D4=C1=C0=
=D4.
=E9=D3=D0=CF=CC=D8=DA=CF=D7=C1=CE=C9=C5 =D6=C5 =CB=CF=CE=D3=D4=D2=D5=CB=C3=
=C9=CA =D7=C9=C4=C1 $(($A+$B)) =D0=CF=D4=C5=CE=C3=C9=C1=CC=D8=CE=CF =CF=D0=
=C1=D3=CE=CF, =C5=D3=CC=C9
=D0=C5=D2=C5=CD=C5=CE=CE=D9=C5 =CD=CF=C7=D5=D4 =D3=CF=C4=C5=D2=D6=C1=D4=D8 =
=CE=C5=D0=D2=CF=D7=C5=D2=C5=CE=CE=D9=C5 =C4=C1=CE=CE=D9=C5, =CE=C5 =D1=D7=
=CC=D1=C0=DD=C9=D3=D1 =C3=C5=CC=D9=CD=C9
=DE=C9=D3=CC=C1=CD=C9.

--ibTvN161/egqYuK8
Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: Digital signature
Content-Disposition: inline

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.5 (GNU/Linux)

iD8DBQFFMeKqW82GfkQfsqIRAnUYAKCTGIyRX7t3R5kCUnzRmxROAVC9TwCffGYE
gr9cqvfrluEpdB30YNTEQ4g=
=N07W
-----END PGP SIGNATURE-----

--ibTvN161/egqYuK8--