lec4vid2Parameters

#!/bin/bash

# this script generates a random password for each user specified on the command line

#DIsplay what the user typed on the commandline ,Expands to the name of the shell or shell script.
echo "you executed this command: ${0}"

# Display the path and filename of the script 
echo "you used $(dirname ${0}) as the path to the $(basename ${0}) script"

#tell them how many arguments they passed in
#inside the scripts they are parameters , outside they are arguments 
NUMBER_OF_PARAMETERS="${#}"
echo "you supplied $NUMBER_OF_PARAMETERS arguments in the command line"

# make sure they supply atleast one argument
if [ $NUMBER_OF_PARAMETERS -lt 1 ]
then
  echo "usage ${0} USER_NAME [USER_NAME] ..."
  exit 1
fi

# Generate and Display username and password for each parameter [./lec4vid2Parameters jason mahi dhone]
for USER_NAME in ${@}  #Expands  to  the positional parameters, starting from one.  In contexts where word splitting is performed, this expands each positional parameter to a separate word 🚩️ Usage: help for | head
do 
  PASSWORD=$(date +%s%N | sha256sum | head -c14)
  echo "$USER_NAME : $PASSWORD"
done  

# For loop to print 1 to 50
for((i=1;i<=50;i++))
do
    echo $i
done