#!/bin/bash
## fullnameNOSLASH -- forms the fully-qualified filename, and replaces SLASH with '[' -- by Eugene Reimer 2005-May;
## used, for example, in a script that makes backup copies under the /tmp directory,
## to allow for automated, or semi-automated, undoing...
## The transformation is reversible (fullnameRESLASH), provided you don't use square-brackets in your filenames:-)
##
## Copyright © 2005 Eugene Reimer;  can be used, modified, copied, and distributed or sold under the terms of either the LGPL or the GPL (your choice);
## see http://www.gnu.org/licenses for the details of these terms.

f="$1"
[[ $f == /* ]] || f="$(pwd)/$f"		##form fully-qualified filename
echo "$f" |sed "s|/|\[|g"		##echo full filename, but with SLASH-to-OPENBRACKET