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Article #10395Re: [bash] test: too many arguments
From: J.A. Gutierrez
Date: Mon, 04 Mar 2002 10:00
Date: Mon, 04 Mar 2002 10:00
55 lines
2468 bytes
2468 bytes
Benjam�n Albi�ana <benjamin@lamanonegra.net.dhis.org> wrote: : - ----------------------------------------------------------------------- : #!/bin/bash si no usas features especificas de bash y valoras en algo la portabilidad, eso deberia ser #!/bin/sh : if test ! -z $(dir -1 /var/spool/news/failed.postings/) si en algo valoras la portabilidad, no uses "dir" : then si quieres saber si un directorio esta vacio o no, tienes varias formas: ls ./* >/dev/null 2>&1 && echo no vacio || echo vacio test `ls -1f | wc -l` -ne 2 && echo no vacio || echo vacio rmdir $dir && ( echo vacio; mkdir $dir ) || echo no vacio : mv /var/spool/news/failed.postings/* /var/spool/news/out.going : cd /var/spool/news/out.going : for i in $(dir -1) : do : /usr/local/bin/toqueteo $i : done si lo que quieres es hacer algo con todos los ficheros de un directorio (no nada si no hay nada) es mucho mejor hacer, simplemente: cd /var/spool/news/out.going ls -1 | while read i do /usr/local/bin/toqueteo "$i" done : fi : cd /tmp : su -c "/usr/sbin/fetchnews -nvvv" news : - ----------------------------------------------------------------------- -- PGP and other useless info at \ http://www.cps.unizar.es/~spd/ \ finger://daphne.cps.unizar.es/spd \ Timeo Danaos et dona ferentes ftp://ivo.cps.unizar.es/pub/ \ (Virgilio)
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From: "J.A. Gutierrez" <spd@daphne.cps.unizar.es>
Newsgroups: es.comp.os.linux.programacion
Subject: Re: [bash] test: too many arguments
Date: 4 Mar 2002 10:00:57 GMT
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