cache-update-adapter.sh

   1 #!/bin/bash
   2 #
   3 # widget:       gauge
   4 # description:  Modifies updates ITG's cache with output
   5 #               tailiored to dialogs gauge widget.
   6
   7 while getopts ":d:" opt; do
   8   case $opt in
   9     d)
  10       cache_dir=$OPTARG
  11       ;;
  12     \?)
  13       echo "Invalid option: -$OPTARG" >&2
  14       exit 1
  15       ;;
  16     :)
  17       echo "Option -$OPTARG requires an argument." >&2
  18       exit 1
  19       ;;
  20   esac
  21 done
  22
  23 if [[ -z "$cache_dir" ]] || [[ "${cache_dir}xxx" = "xxx" ]]; then
  24         echo "Cache directory not supplied.";
  25         exit 1
  26 fi
  27
  28 [[ ! -d "$cache_dir" ]] && echo 100 && exit 0
  29
  30 num=$(wc -l < /tmp/newsongs.txt)
  31 num_processed=0
  32
  33 if [[ $num -gt 0 ]]; then
  34         while read line; do
  35                 read -r changes filename <<< "$line"
  36                 #todo: change directory to be arg'able
  37                 cacheline=$(grep -F "$filename" ${cache_dir}/*)
  38                 IFS=":" read -r cachepath otherjunk <<< "$cacheline"
  39
  40                 if [[ ! -z "$cachepath" ]]; then
  41                         rm "$cachepath"
  42                 fi
  43                 ((num_processed++))
  44
  45                 printf '%i %i' $num_processed $num | mawk -Winteractive '{ pc=100*$1/$2; i=int(pc); print (pc-i<0.5)?i:i+1 }'
  46         done < /tmp/newsongs.txt
  47 else
  48         echo 100
  49 fi
  50