Replaces all files found in specified directory three with their equal named counterparts from the other speicifed directory.

replace-files.sh

#!/usr/bin/env bash
set -u
set -e

script_dir="$( cd "$( dirname "${BASH_SOURCE[0]:-$0}" )" && pwd )"
script_name="$( basename "${BASH_SOURCE[0]:-$0}" )"

print_usage_and_exit()
{
	echo "Replaces all files found in specified directory three with their equal named counterparts from the other speicifed directory."
    echo "Usage: ${script_name} direcrory-to-replace-files-in directory-to-search-for-new-files"
    exit 1
}

trap 'print_usage_and_exit' EXIT
    direcrory_to_replace_files_in="${1}"
    directory_to_search_for_new_files="${2}"
trap - EXIT

bold=`tput bold`
normal=`tput sgr0`


main()
{
	ls "${directory_to_search_for_new_files}" | \
	xargs -n 1 | \
	while read file_to_copy
	do
		echo "${bold}${file_to_copy}${normal} replaced in following folders:"
		find "${direcrory_to_replace_files_in}" -name "${file_to_copy}" | \
		while read file_to_replace
		do
			printable_name="${file_to_replace#$direcrory_to_replace_files_in}"
			printable_name="${printable_name#/}"
			echo "\t$(dirname "${printable_name}")"
			cp "${directory_to_search_for_new_files}/${file_to_copy}" "${file_to_replace}"
		done
		echo
	done
}

main | less