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Article #7407Re: Duda tonta de un script
From: garlito
Date: Thu, 27 Feb 2003 23:02
Date: Thu, 27 Feb 2003 23:02
17 lines
1749 bytes
1749 bytes
Santiago Romero escribi�:
> De todos modos, la forma oficialmente correcta PARA MI de
> comparar es:
>
> if [ "X${CONTADOR}Y" != "X${FIN}Y" ];
>
> Asi no dar� errores si alguna de las 2 variables no existe, y si
> son validas comparara por ejemplo X0Y con X2Y, X1Y con X2Y, etc.
En bash puedes usar tambi�n el corchete doble, que no da avisos del tipo
unary operator expected y adem�s admite comparaci�n de patrones. Ej:
~$ [[ palabra = pal* ]] && echo ok
ok
Saludos
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X-Google-Language: SPANISH,ASCII X-Google-Thread: f86c8,636565e833d291ef X-Google-Attributes: gidf86c8,public X-Google-ArrivalTime: 2003-02-27 10:01:55 PST Path: arc1-ca.pugleaf.net!archiver1.google.com!news1.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!feed3.newsreader.com!newsreader.com!news-xfer.cox.net!mainake.escomposlinux.org!pinsa.escomposlinux.org!garlito06400.uned.es!news From: garlito <garlito@wanadoo.es> Newsgroups: es.comp.os.linux.programacion Subject: Re: Duda tonta de un script Date: Fri, 28 Feb 2003 00:02:11 +0100 Organization: Ecolnet Lines: 17 Message-ID: <j0i2j-ah.ln1@garlito06400.uned.es> References: <giuk3b.l35.ln@cyfuss> <slrnb5rvlj.ljg.arbeizaf@jupiter.olimpo> <5v1l3b.dta.ln@cyfuss> <slrnb5s2pd.s0v.sromero@pinsa.escomposlinux.org> <slrnb5s2u8.s0v.sromero@pinsa.escomposlinux.org> NNTP-Posting-Host: cliente-217216192216.ubrcoa01.supercable.es Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Trace: pinsa.escomposlinux.org 1046368914 5002 217.216.192.216 (27 Feb 2003 18:01:54 GMT) X-Complaints-To: newsmaster@pinsa.escomposlinux.org NNTP-Posting-Date: Thu, 27 Feb 2003 18:01:54 +0000 (UTC) User-Agent: slrn/0.9.7.4 (Linux)