Script check java.sh

#!/bin/bash
#
# NAME      check_java.sh
# REQUIRED  command, sed
# VERSION   1.0
#



JAVA_PATH=`command -v java 2> /dev/null`;

while test -L "${JAVA_PATH}"; do
    REAL_JAVA_PATH=`readlink "${JAVA_PATH}"`;
    test "${JAVA_PATH}" = "${REAL_JAVA_PATH}" && { echo Error, exit; exit -1; };
    JAVA_PATH=${REAL_JAVA_PATH};
done;

if test -x ${JAVA_PATH}; then
    JAVA_PATH=`echo ${JAVA_PATH} | sed -e "s#/bin/java##"`;
fi;

echo $JAVA_PATH;



# End