Date: Wed, 3 Apr 2002 11:21:11 -0600 From: Glenn Johnson <gjohnson@srrc.ars.usda.gov> To: questions@freebsd.org Subject: why does this test condition not work? Message-ID: <20020403172111.GA88600@node1.cluster.srrc.usda.gov>
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I am writing a script am am trying to prompt for input and make sure all of the values are entered. I have the following test condition in my script but when I run it I get: [: -z: unexpected operator ============== while [ -z $tor1a -o -z $tor1b -o -z $tor1c -o -z $tor1d ] do read -p "Enter the atom numbers of the first torsion: " tor1a tor1b tor1c tor1d done ============== What do I have wrong? Thanks. -- Glenn Johnson USDA, ARS, SRRC Phone: (504) 286-4252 New Orleans, LA 70124 e-mail: gjohnson@srrc.ars.usda.gov To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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