the -a operator evaluates from right to left
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@ -278,7 +278,7 @@ create)
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# if a directory at the specified jail root already exists, refuse to
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# install. Empty root dirs are considered okay, sometimes they are
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# mount points to be filled by ezjail.
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[ -d ${ezjail_rootdir} -a -z "`ls -I ${ezjail_rootdir}`" ] && ezjail_rootdirempty="YES"
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[ -d ${ezjail_rootdir} ] && [ -z "`ls -I ${ezjail_rootdir}`" ] && ezjail_rootdirempty="YES"
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[ -e ${ezjail_rootdir} -a -z "${ezjail_rootdirempty}" -a -z "${ezjail_exists}" ] && exerr "Error: the specified jail root ${ezjail_rootdir} already exists."
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# if jail root specified on command line does not lie within our jail
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