#!/bin/bash
# 
# Script to show PID environment in human-readable form.
# -- Leonid Evdokimov <leon@darkk.net.ru>

if [ $# = 0 ]; then
	echo "Usage: $0: pid [pid] [pid]..."
	exit 0
fi

if [ $# -gt 1 ]; then
	multipid=true
else
	multipid=false
fi

while [ $# != 0 ]; do
	pid=$1
	shift

	if [ -d "/proc/$pid" ]; then
		if $multipid; then
			sed "s,\x00,\n,g" < /proc/$pid/environ | sed "s,^,$pid:,"
		else
			sed "s,\x00,\n,g" < /proc/$pid/environ
		fi
	else
		echo "$0: $pid is not a pid" 1>&2
	fi
done