Shell执行/调用Java/Jar程序例子的实例详解

package com.guoyun.study.shell; 
 
public class ShellJavaAnt { 
 
  /** 
   * @param args 
   */ 
  public static void main(String[] args) { 
    System.out.println("arguments length:"+args.length); 
  } 
 
} 
 

#!/bin/bash 
# 
PRG="${0}" 
while [ -h "${PRG}" ]; do 
 ls=`ls -ld "${PRG}"` 
 link=`expr "$ls" : '.*-> \(.*\)$'` 
 if expr "$link" : '/.*' > /dev/null; then 
  PRG="$link" 
 else 
  PRG=`dirname "${PRG}"`/"$link" 
 fi 
done 
 
BASEDIR=`dirname ${PRG}` 
BASEDIR=`cd ${BASEDIR}/..;pwd` 
 
 
if test -z ${JAVA_HOME} 
then 
  JAVA_BIN=java 
else 
  JAVA_BIN=${JAVA_HOME}/bin/java 
fi 
 
CLASS_PATH=$BASEDIR/shell-run-java-by-ant-*.jar 
SERVICE_CLASS="com.guoyun.study.shell.ShellJavaAnt" 
 
${JAVA_BIN} -cp $CLASS_PATH ${SERVICE_CLASS} "${@}" 
 
exit 0