#! /bin/sh
# Copyright 2009, Chris Cox
# Copyright 2009, Sterling Commerce, Inc.
#
# This software is licensed under the GNU Public License Version 2.0
#
# Display /sys attributes

showpathnames=""
bold=""
b=""
n=""
while [ $# -gt 0 ]; do
	case "$1" in
	-b)
		# show attribute values in bold
		b=`tput bold`
		n=`tput sgr0`
	;;
	-p)
		# Show pathnames
		showpathnames=1
	;;
	--help|-*)
		echo "Usage: showsysfs [ -b | -p ]" >&2
		echo "       -p = show full pathnames" >&2
		echo "       -b = show attribute values in bold" >&2
		exit 1
	;;
	*)
		break
	;;
	esac
	shift
done

dirs="$*"
dirs=${dirs:=/sys}
for dir in $dirs; do
	find "$dir" \( -name 'debug' -o -name 'tracing' -o -name 'nvmem' -o -name '*_raw' -o -name '*_pipe' -o -name 'apparmor' -o -name 'events' \) -prune -o -print0 2>/dev/null |
		if [ "$showpathnames" ]; then
			xargs -n1 -0 grep  '.' /dev/null  2>/dev/null
		else
			xargs -n1 -t -0 grep '.' /dev/null  2>&1 |
			sed -e 's,grep . /dev/null ,,' -e 's,[^/]*/,|  ,g' \
			-e 's,\([^ /|]\),\\- \1,' 
		fi |
		sed "s/:\([^:][^:]*\)$/: $b\1$n/"
done