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17 lines
266 B
17 lines
266 B
4 years ago
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function ifup {
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if [[ ! -d /sys/class/net/${1} ]]; then
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#printf 'No such interface: %s\n' "$1" >&2
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return 1
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else
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[[ $(</sys/class/net/${1}/operstate) == up ]]
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fi
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}
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if ifup $1; then
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echo Online
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else
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echo 'Not online'
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fi
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