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POHow to get the absolute path of a file when given a relative or absolute path and the absolute path it is relative to
 

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  1. POHow to get the absolute path of a file when given a relative or absolute path and the absolute path it is relative to
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    <p>Let's say I have an absolute 'base' path:</p> <pre><code>/home/someone/dir1/dir2/ </code></pre> <p>The user can pass me a new path, that can either be absolute or relative to base path, so the following would both be valid:</p> <pre><code>.. /home/someone/dir1/ </code></pre> <p>How do I get java to give me the correct absolute path ie for both these cases:</p> <pre><code>/home/someone/dir1/ </code></pre> <p>and do this in a platform-independent way?</p> <p>I tried the following:</p> <pre><code>File resolvedFile = new File((new File(basePath).toURI().resolve(new File(newPath).toURI()))); </code></pre> <p>However, where newPath was relative, newFile(newPath) resolves it automatically against the current working directory, rather than the basePath I want to supply.</p> <p>Any thoughts? Many thanks!</p>
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