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     printf "%s\n%s\n\n" "log of $prettycommand" "$(date)" >"$file"
  34
  35     # we will propagate any errors
  36     local e=$-
  37     [[ $e == *e* ]] && set +e
  38     "$@" &>> "$file"
  39     local ret=$?
  40     [[ $e == *e* ]] && set -e
  41
  42     printf "\n%s\n%s\n%s" "----------------" "$(date)" "end of log" >>"$file"
  43
  44     echo -n "\$?=$ret "
  45     echo -n "$prettycommand"
  46     echo "[log] $file"
  47     return $ret
  48 }
  49 logq "$@"