Wiki.Cyli.Org

#!/bin/bash
# Beforehand, do these things;
# The grep gives all the four letter lower-case words - avoids names
# grep -E -o '^[a-z]{4}$' /usr/share/dict/words > /tmp/words
# comm -13 ~/bin/sw.txt /tmp/words.txt > ~/bin/words ; rm /tmp/words
# Line above removes the swear words (sw.txt).
Words=~/bin/words
# Minimum length of Pass
Len=15
# If a number was passed as an argument, set length to it
[[ ${1} == ?(-)+([0-9]) ]] && Len=${1}
Count=1
# If two numbers are passed in, give a list of that many passphrases
[[ ${2} == ?(-)+([0-9]) ]] && Count=${2}
True=1
False=0
Sym='~!@#$%^&*-'
Num='1234567890'
SymCnt=${#Sym}
NumCnt=${#Num}
Loop=1
while [ ${Loop} -le ${Count} ]
do
    TorF=$(( RANDOM % 2 ))
        First=$(shuf -n 1 ${Words})
        String=${First^}
        while [ ${#String} -le ${Len} ]
          do
          if [ ${TorF} -eq ${True} ]; then
          TorF=${False}
          String+="${Sym:$(($RANDOM%${SymCnt})):1}"
          else
          TorF=${True}
          String+="${Num:$(($RANDOM%${NumCnt})):1}"
          fi
          Next=$(shuf -n 1 ${Words})
          String+=${Next^}
        done
        echo ${String}
   ((Loop++))
done