check.sh

   1 #!/usr/bin/env bash
   2
   3 if /sbin/ifconfig | egrep -q '^lo[[:alnum:]]*:?[[:space:]]+'; then
   4     echo "loopback interface is configured, getting on with tests"
   5 else
   6     echo "loopback interface is NOT configured, won't run tests"
   7     exit 0
   8 fi
   9
  10 for t in "$@"; do
  11   echo $t
  12   $t
  13   res=$?
  14   test "$res" = 1 && echo "FAIL: $t"
  15   test "$res" = 0 || exit 1
  16 done