#!/bin/bash
# Linux Journal: Issue 177: 2009-January; Page 40
# example of how to handle both {,un}compressed files
function data_source ()
{
	local F=${1%.gz}
	# remove file extension
	if [[ -f $F ]] ; then
		cat "${F}"
	elif [[ -f $F.bz2 ]] ; then
		bunzip --stdout "${F}.bz2"
	elif [[ -f $F.bz ]] ; then
		bunzip --stdout "${F}.bz"
	elif [[ -f $F.gz ]] ; then
		gunzip --stdout "${F}.gz"
	fi
}

find . -maxdepth 1 -type f -print | while read file;
do
	data_source $file | less
done