dimplex-minus

   1 #!/bin/sh
   2 set -e
   3 setting=`dimplex-get`
   4 echo Current: $setting
   5
   6 setting2=`echo "$setting" | tr -cd '[:digit:]'`
   7 if [ "$setting" != "$setting2" ]; then
   8     echo Invalid current value
   9     exit 1
  10 fi
  11
  12 newsetting=$(($setting - 1))
  13 echo New: $newsetting
  14
  15 if [ $newsetting -gt 30 ]; then
  16     echo "New value too high"
  17     exit 1
  18 fi
  19 if [ $newsetting -lt 10 ]; then
  20     echo "New value too low"
  21     exit 1
  22 fi
  23
  24 dimplex-set $newsetting
  25
  26 echo Done