File: tame.sh
   1 #!/bin/sh
   2 
   3 # The MIT License (MIT)
   4 #
   5 # Copyright (c) 2026 pacman64
   6 #
   7 # Permission is hereby granted, free of charge, to any person obtaining a copy
   8 # of this software and associated documentation files (the "Software"), to deal
   9 # in the Software without restriction, including without limitation the rights
  10 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11 # copies of the Software, and to permit persons to whom the Software is
  12 # furnished to do so, subject to the following conditions:
  13 #
  14 # The above copyright notice and this permission notice shall be included in
  15 # all copies or substantial portions of the Software.
  16 #
  17 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  20 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23 # SOFTWARE.
  24 
  25 
  26 # tame [time options...] [command] [arguments...]
  27 #
  28 # Time And Memory + Exit runs the command given, then shows a single line with
  29 # the following info on the standard error:
  30 #
  31 #   - total time elapsed
  32 #   - total system/kernel time spent overall
  33 #   - total user-mode time spent overall
  34 #   - maximum actual memory used (RSS) in 1024-byte kilobytes
  35 #   - the exit/status code, where 0 means success, and anything else error
  36 #
  37 # The options are the same as the `usr/bin/time` command's.
  38 
  39 
  40 case "$1" in
  41     -h|--h|-help|--help)
  42         awk '/^# +tame /, /^$/ { gsub(/^# ?/, ""); print }' "$0"
  43         exit 0
  44     ;;
  45 esac
  46 
  47 if [ $# -eq 0 ]; then
  48     awk '/^# +tame /, /^$/ { gsub(/^# ?/, ""); print }' "$0"
  49     exit 0
  50 fi
  51 
  52 f='real %e    user %U    sys %S    mem %M    exit %x'
  53 /usr/bin/time --quiet -f "$f" "$@"