#!/bin/bash

main() {
    if [ $# -lt 1 ]; then
        printf "not enough arguments given\n\
usage: cpr file_to_copy\n"
        exit 1
    fi

    orig_file="$1"
    read -e -r -p "how many copies of $orig_file would you like to make?: " num_copies
    parsed_file_name=$(echo "$orig_file" | awk -F. '{print $1}')
    file_type=$(echo "$orig_file" | awk -F. '{print $2}')

    for num in $(seq 1 "$num_copies")
    do
        cp "$orig_file" "$parsed_file_name-$num.$file_type"
    done
}

main "$@"