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|
#!/bin/bash
# Simple password generator.
# Requires: xclip, qrencode
NC='\033[0m'
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[0;33m'
msg_info() {
echo -e "${GREEN}$1${NC}"
}
msg_warn() {
echo -e "${YELLOW}$1${NC}"
}
msg_error() {
echo -e "${RED}$1${NC}"
}
print_help() {
echo
echo "genpass - a simple password generator"
echo
echo "USAGE:"
echo " trans [OPTION ...]"
echo
echo "where OPTIONs are:"
echo " -c | --clipboard:"
echo " copy the generated password to clipboard (needs xclip)"
echo " -q | --qrcode:"
echo " generate a qrcode of the password (needs qrencode) and"
echo " print it to stdout (UTF8 format)"
echo " -l | --length <num>:"
echo " provide password length (defaults to 32)"
echo " -h | -h | --help:"
echo " print this help message"
echo
}
CLIPBOARD=0
QRCODE=0
LENGTH=32
while [ $# != 0 ]
do
case "$1" in
-c|--clipboard)
CLIPBOARD=1
;;
-q|--qrcode)
QRCODE=1
;;
-l|--length)
shift
LENGTH=$1
;;
-h|--help)
print_help
;;
*)
msg_error "$1: invalid option"
print_help
exit 1
;;
esac
shift
done
PASSWD="$(tr -dc A-Za-z0-9_ < /dev/urandom | head -c $LENGTH)"
if [ $CLIPBOARD -eq 1 ]; then
echo "$PASSWD" | xclip -in -selection clipboard
elif [ $QRCODE -eq 1 ]; then
echo "$PASSWD" | qrencode --size=5 --type=UTF8 -o -
else
echo "$PASSWD"
fi
exit 0
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