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20 lines
392 B
Bash
20 lines
392 B
Bash
#!/bin/bash
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INTERFACE=en0
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OUI="$HOME/dotfiles/bin/oui.txt"
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OUI_LEN=19004
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R=$(((RANDOM % ${OUI_LEN})+1))
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PREFIX=`head -$R $OUI | tail -1`
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CMD="sudo ifconfig ${INTERFACE} ether ${PREFIX}:"
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for i in `seq 1 6`; do
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R=$(((RANDOM % 15)+1))
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C=`echo "obase=16; $R" | bc`
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CMD="$CMD$C"
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if [ $((i % 2)) = 0 ] && [ $i != 6 ]; then
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CMD="$CMD:"
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fi
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done
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RESULT=`$CMD`
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echo $CMD
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