-# log something (basically echo it together with a timestamp)
-#
-# Set $PROGRAM to a string to have it added to the output.
-function log () {
- if [ -z "${PROGRAM}" ]; then
- echo "$(date +"%b %d %H:%M:%S") $(hostname -s) [$$] $@"
- else
- echo "$(date +"%b %d %H:%M:%S") $(hostname -s) ${PROGRAM}[$$]: $@"
- fi
-}
-
-# log the message using log() but then also send a mail
-# to the address configured in MAILTO (if non-empty)
-function log_error () {
- log "$@"
- if [ -z "${MAILTO}" ]; then
- echo "$@" | mail -e -s "[$PROGRAM@$(hostname -s)] ERROR [$$]" ${MAILTO}
- fi
-}
-
-# debug log, only output when DEBUG=1
-function debug () {
- if [ $DEBUG -eq 1 ]; then
- log "$*"
- fi
-}