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+# ignore-walk
+
+[![Build
+Status](https://travis-ci.org/isaacs/ignore-walk.svg?branch=master)](https://travis-ci.org/isaacs/ignore-walk)
+
+Nested/recursive `.gitignore`/`.npmignore` parsing and filtering.
+
+Walk a directory creating a list of entries, parsing any `.ignore`
+files met along the way to exclude files.
+
+## USAGE
+
+```javascript
+const walk = require('ignore-walk')
+
+// All options are optional, defaults provided.
+
+// this function returns a promise, but you can also pass a cb
+// if you like that approach better.
+walk({
+  path: '...', // root dir to start in. defaults to process.cwd()
+  ignoreFiles: [ '.gitignore' ], // list of filenames. defaults to ['.ignore']
+  includeEmpty: true|false, // true to include empty dirs, default false
+  follow: true|false // true to follow symlink dirs, default false
+}, callback)
+
+// to walk synchronously, do it this way:
+const result = walk.sync({ path: '/wow/such/filepath' })
+```
+
+If you want to get at the underlying classes, they're at `walk.Walker`
+and `walk.WalkerSync`.
+
+## OPTIONS
+
+* `path` The path to start in.  Defaults to `process.cwd()`
+
+* `ignoreFiles` Filenames to treat as ignore files.  The default is
+  `['.ignore']`.  (This is where you'd put `.gitignore` or
+  `.npmignore` or whatever.)  If multiple ignore files are in a
+  directory, then rules from each are applied in the order that the
+  files are listed.
+
+* `includeEmpty` Set to `true` to include empty directories, assuming
+  they are not excluded by any of the ignore rules.  If not set, then
+  this follows the standard `git` behavior of not including
+  directories that are empty.
+
+    Note: this will cause an empty directory to be included if it
+    would contain an included entry, even if it would have otherwise
+    been excluded itself.
+
+    For example, given the rules `*` (ignore everything) and `!/a/b/c`
+    (re-include the entry at `/a/b/c`), the directory `/a/b` will be
+    included if it is empty.
+
+* `follow`  Set to `true` to treat symbolically linked directories as
+  directories, recursing into them.  There is no handling for nested
+  symlinks, so `ELOOP` errors can occur in some cases when using this
+  option.  Defaults to `false`.