bash_n_examples/bash/functions/while_list_processed_while_list_changes.sh

   1
   2 cd /sys/devices
   3
   4 mods=`find -type f -name "modalias"`
   5 num=`echo $mods | wc -l`
   6 numold=
   7 processed=
   8
   9 IFS=$'\n'
  10 while [ "$num" != "$numold" ]; do
  11     numold=$num
  12     for mod in $mods; do
  13         if ! echo "$processed" | grep -q "^$mod$"; then
  14             modprobe -qb "$(cat "$mod")"
  15             [ -z "$processed" ] && processed="$mod" || processed=`echo -ne "$processed\n$mod"`
  16         fi
  17     done
  18     mods=`find -type f -name "modalias"`
  19     num=`echo "$mods" | wc -l`
  20 done