file.functions

# This file is part of shellfire core. It is subject to the licence terms in the COPYRIGHT file found in the top-level directory of this distribution and at https://raw.githubusercontent.com/shellfire-dev/core/master/COPYRIGHT. No part of shellfire core, including this file, may be copied, modified, propagated, or distributed except according to the terms contained in the COPYRIGHT file.
# Copyright © 2014-2015 The developers of shellfire core. See the COPYRIGHT file in the top-level directory of this distribution and at https://raw.githubusercontent.com/shellfire-dev/core/master/COPYRIGHT.


core_usesIn core temporaryFiles
core_dependency_requires '*' awk
core_file_characterByCharacter()
{
	local filePath="$1"
	shift 1

	local TMP_FILE
	core_temporaryFiles_newFileToRemoveOnExit
	local singleCharactersFile="$TMP_FILE"
	
	core_file_characterByCharacterCreate "$filePath" "$singleCharactersFile"

	local callback
	local character
	{
		while IFS='' read -r character
		do
			for callback in "$@"
			do
				$callback
			done
		done
	} <"$singleCharactersFile"

	rm -f "$singleCharactersFile"
}

core_file_characterByCharacterCreate()
{
	local inputFile="$1"
	local outputFile="$2"
	
	awk '
BEGIN {
	srand()
	FS=""
	RS="n/o/m/a/t/c/h" rand()
}

{
	for (i = 1; i <= NF; i++)
	{
		if ($i ~ /\n/)
		{
			printf "\n"
		}
		else
		{
			print $i
		}
	}
}' <"$inputFile" >"$outputFile"
}