MX Simulator

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#!/bin/bash
#
# Simple Archive Format
#


#set -C

if test "_$1_" = _c_
then
	shift
	find "$@" -maxdepth 0 -printf '%s %p\n'
	echo -
	cat "$@"
elif test "_$1_" = _x_
then
	shift
	count=0

	while read size name && test "_${size##[^0-9]}_" = "_${size}_"
	do
		sizes[count]=$((size))
		names[count]=${name}
		count=$((count+1))
	done

	if test "_${size}_" != "_-_"
	then
		echo "Bad dir"
		exit
	fi

	i=0
	while let 'i<count'
	do
		echo ${names[i]} ${sizes[i]}
		if test "_${names[i]##*/}_" != "_${names[i]}_"
		then
			install -d "${names[i]%/*}"
		fi
		dd bs=${sizes[i]} count=1 >"${names[i]}" 2>/dev/null
		i=$((i+1))
	done

else
	echo "To create an archive use: saf.sf c files..."
	echo "To extract an archive use: saf.sf x"
fi