Date: Wed, 21 Apr 2004 15:35:34 +0100 From: Matthew Seaman <m.seaman@infracaninophile.co.uk> To: Ion-Mihai Tetcu <itetcu@apropo.ro> Cc: freebsd-questions@freebsd.org Subject: Re: why test(1) works with -eq but not -nq ? Message-ID: <20040421143534.GC43999@happy-idiot-talk.infracaninophile.co.uk> In-Reply-To: <20040421170914.5a5204a3@it.buh.cameradicommercio.ro> References: <20040421170914.5a5204a3@it.buh.cameradicommercio.ro>
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On Wed, Apr 21, 2004 at 05:09:14PM +0300, Ion-Mihai Tetcu wrote:
> Hi,
>=20
>=20
> Could somebody explain me why in the second case I get an error (both
> with test(1) and with sh's builtin) ?
>=20
> itetcu@it> /var/log/ports [16:51:38] 0
> # sh
> # cat ports_sup_log | wc -l
> 3
> # if [ "`cat ports_sup_log | wc -l`" -eq "3" ]; then echo 'da'; fi
> da
> # if [ "`cat ports_sup_log | wc -l`" -nq "3" ]; then echo 'da'; fi
> [: 3: unexpected operator
>=20
> # if (/bin/test "`cat ports_sup_log | wc -l`" -eq "3") ; then echo 'da'; =
fi
> da
> # if (/bin/test "`cat ports_sup_log | wc -l`" -nq "3") ; then echo 'da'; =
fi
> test: 3: unexpected operator
The test for numeric inequality is '-ne':
% [ 3 -ne 5 ] && echo yes
yes
% /bin/test 3 -ne 5 && echo yes
yes
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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