How to set Eclipse project as read-only?

eclipse, java, readonly

Solution

If all else fails just use the operating system to set the project folder as read only. Eclipse will prompt you if you try to modify a read only file.

Problem

In a single file it can do right click > Properties > mark 'Read only' under Attributes , how can I do the same on all the project files ? I found same question from '08 but with no enough answer .

Original source

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