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# commondir
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compute the closest common parent directory among an array of directories
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# example
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``` js
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var commondir = require('commondir');
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var dir = commondir(process.argv.slice(2))
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console.log(dir);
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```
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output:
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```
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$ node dir.js /x/y/z /x/y /x/y/w/q
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/x/y
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$ node ../baz ../../foo/quux ./bizzy
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/foo
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```
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# methods
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``` js
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var commondir = require('commondir');
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```
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## commondir(absolutePaths)
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Compute the closest common parent directory for an array `absolutePaths`.
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## commondir(basedir, relativePaths)
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Compute the closest common parent directory for an array `relativePaths` which
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will be resolved for each `dir` in `relativePaths` according to:
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`path.resolve(basedir, dir)`.
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# install
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With [npm](https://npmjs.org) do:
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```
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npm install commondir
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```
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# license
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MIT
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