Generate password for common and other use (websites, programs...)

sitepass-gn

#!/bin/bash
# Generate password for common and other use (websites, programs...)

stpw_dir=$HOME                      # directory containing password files
stpw_fc=$stpw_dir/.sitepass-com.txt # filename containing common passwd
stpw_fo=$stpw_dir/.sitepass-oth.txt # filename containing other  passwd

# Required program(s)
req_progs=(pwgen)
for p in ${req_progs[@]}; do
  hash "$p" 2>&- || \
  { echo >&2 " Required program \"$p\" not installed."; exit 1; }
done

# Display usage if no parameters given
scrp_help () {
echo " ${0##*/} <c,o> - generate password for common use and other use.
  c | common - generate common password
  o | other  - generate other  password"
}

case $1 in
  c | common )  # Check if common password file already exists. otherwise create
                if [ -f "$stpw_fc" ]; then
                  echo " Nothing done, existent password file:"
                  echo " "$stpw_fc""
                  exit
                else
                  pwgen --capitalize --numerals --secure -1 > "$stpw_fc" && \
                  echo " Generated new password; saved to file:"
                  echo " "$stpw_fc""
                fi
                ;;
  o | other )   # Check if other password file already exists, otherwise create
                if [ -f "$stpw_fo" ]; then
                  echo " Nothing done, existent password file:"
                  echo " "$stpw_fo""
                  exit
                else
                  pwgen --capitalize --numerals --secure -1 > "$stpw_fo" && \
                  echo " Generated new password; saved to file:"
                  echo " "$stpw_fo""
                fi
                ;;
  * )           # Display usage if no or wrong parameter given
                scrp_help
                exit
                ;;
esac