script/lib/progress.sh

   1 # Progress library script
   2
   3 if [ -z "${__progress_sh_loaded}" ]
   4 then
   5   __progress_sh_loaded=yes
   6
   7   # Implement a simple progress indicator
   8   # ( i:current i:total i:width -- s:
   9   progress() {
  10     local time_last
  11
  12     cur="${1}"
  13     all="${2}"
  14     width="${3:-78}"
  15
  16     time="$(date +%s)"
  17
  18     prcnt="$(printf "%u / %u * 100\n" "${cur}" "${all}" | bc -l 2>/dev/null)"
  19     elapsed="$(printf "%u - %u\n" "${time}" "${time_start}" | bc -l 2>/dev/null)"
  20     remain="$(printf "( %u - %u ) / ( %u / %u )\n" "${all}" "${cur}" "${cur}" "${elapsed}" | bc -l 2>/dev/null)"
  21
  22     time_last="${time}"
  23
  24     printf "%0.2f%% E:%us R:%0.1fs" "${prcnt:-0}" "${elapsed:-0}" "${remain:-0}"
  25   }
  26 fi