iankelling.org Git - log-quiet/blob - logmail

   1 #!/bin/bash
   2 # Copyright (C) 2016 Ian Kelling
   3
   4 # Licensed under the Apache License, Version 2.0 (the "License");
   5 # you may not use this file except in compliance with the License.
   6 # You may obtain a copy of the License at
   7
   8 #     http://www.apache.org/licenses/LICENSE-2.0
   9
  10 # Unless required by applicable law or agreed to in writing, software
  11 # distributed under the License is distributed on an "AS IS" BASIS,
  12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 # See the License for the specific language governing permissions and
  14 # limitations under the License.
  15
  16 case $1 in
  17   -h|--help)
  18     cat <<'EOF'
  19 usage: logmail CMD [ARGS...]
  20
  21 Send mail in case of output or failure of CMD
  22 EOF
  23     exit 0
  24     ;;
  25 esac
  26 t=$(mktemp)
  27 if ! "$@" &>"$t" || [[ ! -s $t ]]; then
  28   mail -s "$HOSTNAME: $*" $USER@localhost <"$t"
  29   rm "$t"
  30 fi
  31 exit 0