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timkuijsten/genpass.sh

Last active February 22, 2017 16:06
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Generate strong and easy to type passwords. Tested with OpenBSD 5.2, Ubuntu 10.04, Ubuntu 12.04 and Mac OS X 10.8.
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genpass.sh
#/bin/sh
# copy to /usr/local/bin
# usage: genpass [length]
LENGTH=12
if [ 0 -lt $(($1)) ]; then
LENGTH=$1
fi
# extract enough bytes from the random number generator
dd bs=$((80*$LENGTH)) count=1 if=/dev/random 2>/dev/null | LC_CTYPE=C tr -cd 'ABCDEFGHJKLMNPQRSTUVWXYZ' | cut -b 1-$LENGTH
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