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From:	Bryan Dunphy <b DOT dunphy DOT 342 AT gmail DOT com>
Mime-Version:	1.0 (Mac OS X Mail 10.3 \(3273\))
Date:	Wed, 12 Jul 2017 10:35:55 -0500
Subject:	How to repeat a bash shell script until success
Message-Id:	<97021E71-D804-42AF-8358-6276AF4514AB@gmail.com>
To:	cygwin AT cygwin DOT com
X-MIME-Autoconverted:	from quoted-printable to 8bit by delorie.com id v6E0HG8Q005071

I have a shell script, originally created for Mac OS X. that waits for an external drive to be mounted (by testing an “ls” of the volume’s root directory for success) then runs an “rsync”
 command. How do I get the script to be run repeatedly until successful exit under Cygwin?

Here is the unmodified Mac OS version of the script:

#!/bin/bash
if ls /Volumes/Shared >/dev/null 2>/dev/null
then
        rsync -avz --compress-level=9 --delete-during --partial --exclude 'cache/' aleph.gutenberg.org::gutenberg /Volumes/Shared/Project-Gutenberg
        exit 0
else
        exit 1
fi


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