bash scripting example 0, CodeCademy Exercise

bash_script_ex0.sh

#!/bin/bash

# script that takes in a single argument and greets you
# as many times as the number given.

echo "learning how to script yo"

first_greeting="Nice to meet you!"
later_greeting="How are you?"
greeting_occasion=0
greeting_limit=$1
while [ $greeting_occasion -lt $greeting_limit ]
do
  if [ $greeting_occasion -lt 1 ]
  then
    echo $first_greeting
  else
    echo $later_greeting
  fi
  greeting_occasion=$((greeting_occasion + 1))
done

# example of putting the output of a command
# into a variable. unrelated to above.
cmd_var=$(pwd)
echo $cmd_var