如何使用Eclipse生成的.classpath文件指定外部库？

Question

I need to start a Java application using a .bat file . Here is what I have so far, and it works fine

java  -cp ".;C:\someLibrary.jar;C:\someLibrary.jar;..." Main 

The problem is there are too many external libraries, and Eclipse already generates a .classpath file referring to all those libraries. Is there any way I could use that Eclipse generated .classpath file in my batch, so that I don't have to list all the libraries in the java command above ?

Can I use something like this

java  -cp ".;C:\ ..\pathToEclipseFolder.classpath" Main 

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The reason I am asking this is because I will eventually end up updating some of those external libraries. And I want to still be able to use the original .bat file

Answer 1

If your Java application needs the libraries, then you must specify them in the classpath of your .bat file.

A couple of considerations:

1) Maybe you have more libraries listed in your Eclipse classpath than you actually need

2) Java6 and higher allows you to specify a directory , instead of requiring you to specify each individual library in that directory:

java -classpath ".;c:\\mylib\\*" MyApp