#!/bin/bash

# Run a command up to $1 times until it exits with status 0
TIMES=$1; shift
C=$TIMES
while [ $C -ge 0 ]
do
  C=$((C-1))
  $*
  LAST_EXIT=$?
  if [ ${LAST_EXIT} -eq 0 ]; then exit 0; fi
  echo "Trying again (${C} left)" 1>&2
done
exit ${LAST_EXIT}