skeletal starter for scripts that require files in fs as args

bash-file-ensure-skeleteon.sh

#!/bin/bash

FILE=$1

##################################################################################
function usage(){
  echo "usage: $(basename $0) /path/to/java-rpm-file.rpm"
}
##################################################################################


if [ -z "$FILE" ]; then
        echo "file is unset";
else
        echo "file is set to '$FILE'";
        OK=true
fi

if [ "$OK" = true ] && [ -f $FILE ]; then
   echo "File $FILE exists."
else
   echo "File $FILE does not exist."
   OK=false
fi

if [ "$OK" = true ]; then

        echo "proceeding with install"


fi