diff --git a/package-lock.json b/package-lock.json
index 97d55db..943b001 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4395,9 +4395,9 @@
       }
     },
     "eslint-plugin-jest": {
-      "version": "21.26.2",
-      "resolved": "https://registry.npmjs.org/eslint-plugin-jest/-/eslint-plugin-jest-21.26.2.tgz",
-      "integrity": "sha512-SCTBC6q182D4qQlQAN81D351jdte/YwTMo4f+l19Gvh1VemaNZP7ak3MLLvw6xkL9dO2FxVjCLk5DCdl1KfdLw==",
+      "version": "21.27.1",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-jest/-/eslint-plugin-jest-21.27.1.tgz",
+      "integrity": "sha512-K+S4Wa20MoRRXICfnQBqjl2g9+ipJBeDUVrB3Csg4wOrxXMGcNxYuPRaiyA0pqmb/vO2cgaLEzurORfsLrztxg==",
       "dev": true
     },
     "eslint-plugin-no-only-tests": {
diff --git a/src/__tests__/getAttribute.test.js b/src/__tests__/getAttribute.test.js
index 52e081a..fcb2cb0 100755
--- a/src/__tests__/getAttribute.test.js
+++ b/src/__tests__/getAttribute.test.js
@@ -10,5 +10,5 @@ test('getAttribute', function () {
   const data = fs.readFileSync(`${pathFiles}P071.CDF`);
 
   var reader = new NetCDFReader(data);
-  expect(reader.getAttributeAsString('operator_name')).toBe('SC');
+  expect(reader.getAttribute('operator_name')).toBe('SC');
 });
diff --git a/src/index.js b/src/index.js
index b5ac113..391b2a7 100755
--- a/src/index.js
+++ b/src/index.js
@@ -76,7 +76,7 @@ class NetCDFReader {
    * @param {string} attributeName
    * @return {string} Value of the attributeName or undefined
    */
-  getAttributeAsString(attributeName) {
+  getAttribute(attributeName) {
     let attribute = this.globalAttributes.find(
       (val) => val.name === attributeName
     );
@@ -147,6 +147,18 @@ class NetCDFReader {
       return data.nonRecord(this.buffer, variable);
     }
   }
+
+  /**
+   * Check if a dataVariable exists
+   * @param {string} variableName - Name of the variable to find
+   * @return {boolean}
+   */
+  dataVariableExists(variableName) {
+    let variable = this.header.variables.find(function (val) {
+      return val.name === variableName;
+    });
+    return variable !== undefined;
+  }
 }
 
 module.exports = NetCDFReader;