bin/kercmp

   1 #!/usr/bin/env bash
   2
   3 version="0.1"
   4
   5 function usage ()
   6 {
   7     echo "Usage :  $0 [options]
   8
   9     Options:
  10     -h,--help       Display this message
  11     -v,--version    Display script version"
  12 }
  13
  14 # Parse arguments
  15 declare -a args
  16 while [[ $# -gt 0 ]]; do
  17     opt="$1"
  18
  19     case $opt in
  20         -h|--help)     usage; exit 0 ;;
  21         -v|--version)  echo "$0 -- Version $version"; exit 0 ;;
  22         -q|--quiet)    quiet=1 ; shift ;;
  23         -* )
  24             echo -e "\n  Option does not exist : $opt\n"
  25             usage; exit 1 ;;
  26
  27         *) args+=("$opt"); shift ;;
  28     esac
  29 done
  30
  31 running=$(uname -r | sed s/-/./)
  32 install=$(pacman -Q linux | cut -d' ' -f2)
  33 vcmp=$(vercmp $running $install)
  34
  35 ((${quiet:=0}==1)) && exit $vcmp
  36
  37 (($vcmp<0)) && echo "$running older than $install"
  38 (($vcmp>0)) && echo "$running newer than $install"
  39
  40 exit $vcmp