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

   1 #!/bin/bash
   2 logq () {
   3     local help="Usage: logq [-h|--help] COMMAND [ARG...]
   4
   5 Log Quietly. Run COMMAND with ARGs, log to temp file. Output return code,
   6 command, and log path.
   7
   8 Minor details: Use logsave if available, which adds informational header/footer
   9 to log file.  Logfile is put in random temp dir, with filename made from the
  10 alphanumeric characters of COMMAND + ARGs."
  11
  12     if [[ $1 == --help || $1 == -h ]]; then
  13         echo "$help"
  14         return
  15     fi
  16     if [[ $# == 0 ]]; then
  17         echo "error: need 1 or more arguments
  18 $help"
  19         return 1
  20     fi
  21
  22     local index=0
  23     local x prettycommand
  24     for x in "$@"; do
  25         prettycommand+="[$index]$x "
  26         index=$(( index+1 ))
  27     done
  28
  29
  30     local file="$*"
  31     file="$(mktemp -d)/${file//[^[:alnum:]]/}"
  32
  33     echo "log of $prettycommand" >"$file"
  34     date >>"$file"
  35     echo >>"$file"
  36
  37     # we will propagate any errors
  38     local e=$-
  39     [[ $e == *e* ]] && set +e
  40     "$@" &>> "$file"
  41     local ret=$?
  42     [[ $e == *e* ]] && set -e
  43
  44     echo >>"$file"
  45     echo "----------------" >>"$file"
  46     date >>"$file"
  47     echo "end of log" >>"$file"
  48
  49     echo -n "\$?=$ret "
  50     echo -n "$prettycommand"
  51     echo "[log] $file"
  52     return $ret
  53 }
  54 logq "$@"