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#!/bin/ash # allow env to override nvram nvram () { if [ -x /usr/sbin/nvram ]; then case $1 in get) eval "echo \${$2:-\$(/usr/sbin/nvram get $2)}";; *) /usr/sbin/nvram $*;; esac else case $1 in get) eval "echo \${$2:-\${DEFAULT_$2}}";; *);; esac fi }