log.subr

# Copyright (c) 2016 Peter Piwowarski
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

DATE_FORMAT="+%a %Y-%m-%d %H:%M"

log()
{
	if [ "$LOG_DEST" = "stdout" ]
	then
		printf "[%s] %s\n" "$(date "$DATE_FORMAT")" "$@"
	elif [ "$LOG_DEST" = "logger" ]
	then
		logger "$@"
	else
		# fallback to stdout
		printf "[%s] %s\n" "$(date "$DATE_FORMAT")" "$@"
	fi
}

plog()
{
	while read -r line
	do
		log "$line"
	done
}