a wrapper script around https://linux.die.net/man/1/apg

apg_passwd.sh

#!/bin/bash

if ! which apg 2>&1>/dev/null; then
    echo -e "\nYou need 'apg' for this script to do its job\n"
    exit 127
fi

if [[ $# == 0 ]]; then
	echo "You need to provide how many password(s) you want to generate (and optionally how long hte passwords should be).";
        echo "E.g: ./${0##*/} 1 -- this will generate 1 password only with the default length of 16 characters.";
        echo "E.g: ./${0##*/} 3 32 -- this will generate 3 passwords with a length of 32 characters.";
        echo "You can use symbols in the password generation if you specify \"-s\" as third parameter";
	exit 1
fi

if [[ -n $2 ]]; then
        plength=$2;
else
        plength=16;
fi

pflags="NCL";

if [[ -n $3 ]]; then
    if [[ $3 == "-s" || $3 == "-S" ]] ; then
        pflags="NCLS";
    else
        echo "Use -s or -S for salting!"
        exit 99
    fi
fi

apg -a 1 -n $1 -m $plength -x $plength -M $pflags -E ":.\`\/~#$<>\!&|\\" -s

exit 0