#!/usr/bin/gawk -f
#


#
# Remove `/../' and `/./' from the given path.
#

function rewritepath(path,   i, k, n, x, y) {
	n = split(path, x, /\/+/);
	k = 0;
	for (i=1; i<=n; i++) {
		if (x[i] == "") {
			if (i == n)
				y[k++] = "";

			continue;
			}

		if (x[i] == ".")
			continue;
		else if (x[i] == "..") {
			if (k >= 1)
				k--;
			}
		else
			y[k++] = x[i];
		}

	path = y[0];
	for (i=1; i < k; i++)
		path = path "/" y[i];

	return (path);
	}

BEGIN {
	while (getline line > 0)
		printf ("%s --> %s\n", line, rewritepath(line));

	exit (0);
	}