New: Add stem accessor

README.md

@@ -165,6 +165,27 @@ console.log(file.path); // /test/file.js
 `
 ```
 
+### stem
+Gets and sets stem (filename without suffix) for the file path.
+
+Example:
+
+```javascript
+var file = new File({
+  cwd: "/",
+  base: "/test/",
+  path: "/test/file.coffee"
+});
+
+console.log(file.stem); // file
+
+file.stem = 'foo';
+
+console.log(file.stem); // foo
+console.log(file.path); // /test/foo.coffee
+`
+```
+
 ### extname
 Gets and sets path.extname for the file path.
 

index.js

@@ -205,6 +205,22 @@ Object.defineProperty(File.prototype, 'basename', {
   },
 });
 
+// Property for getting/setting stem of the filename.
+Object.defineProperty(File.prototype, 'stem', {
+  get: function() {
+    if (!this.path) {
+      throw new Error('No path specified! Can not get stem.');
+    }
+    return path.basename(this.path, this.extname);
+  },
+  set: function(stem) {
+    if (!this.path) {
+      throw new Error('No PassThrough specified! Can not set stem.');
+    }
+    this.path = path.join(path.dirname(this.path), stem + this.extname);
+  },
+});
+
 Object.defineProperty(File.prototype, 'extname', {
   get: function() {
     if (!this.path) {

test/File.js

@@ -795,6 +795,50 @@ describe('File', function() {
     });
   });
 
+  describe('stem get/set', function() {
+    it('should error on get when no path', function(done) {
+      var a;
+      var file = new File();
+      try {
+        a = file.stem;
+      } catch (err) {
+        should.exist(err);
+        done();
+      }
+    });
+
+    it('should return the stem of the path', function(done) {
+      var file = new File({
+        cwd: '/',
+        base: '/test/',
+        path: '/test/test.coffee',
+      });
+      file.stem.should.equal('test');
+      done();
+    });
+
+    it('should error on set when no path', function(done) {
+      var file = new File();
+      try {
+        file.stem = 'test.coffee';
+      } catch (err) {
+        should.exist(err);
+        done();
+      }
+    });
+
+    it('should set the stem of the path', function(done) {
+      var file = new File({
+        cwd: '/',
+        base: '/test/',
+        path: '/test/test.coffee',
+      });
+      file.stem = 'foo';
+      file.path.should.equal('/test/foo.coffee');
+      done();
+    });
+  });
+
   describe('extname get/set', function() {
     it('should error on get when no path', function(done) {
       var a;