Demo for query storing
Change-Id: I947bcac841992c3f6cfd01ab337c265b0d01cb70
diff --git a/node_modules/file-sync-cmp/index.js b/node_modules/file-sync-cmp/index.js
new file mode 100644
index 0000000..f386657
--- /dev/null
+++ b/node_modules/file-sync-cmp/index.js
@@ -0,0 +1,37 @@
+'use strict';
+
+var fs = require('fs');
+
+var BUF_SIZE = 16 * 1024;
+
+/* Compare two files by content. */
+function equalFiles(pathA, pathB) {
+ var statA = fs.lstatSync(pathA);
+ var statB = fs.lstatSync(pathB);
+ if (statA.size !== statB.size) {
+ return false;
+ }
+ var fdA = fs.openSync(pathA, 'r');
+ var fdB = fs.openSync(pathB, 'r');
+ var bufA = new Buffer(BUF_SIZE);
+ var bufB = new Buffer(BUF_SIZE);
+ var readA = 1;
+ var readB = 1;
+ while (readA > 0) {
+ readA = fs.readSync(fdA, bufA, 0, bufA.length, null);
+ readB = fs.readSync(fdB, bufB, 0, bufB.length, null);
+ if (readA !== readB) {
+ return false;
+ }
+ for (var i = 0; i < readA; i++) {
+ if (bufA[i] !== bufB[i]) {
+ return false;
+ }
+ }
+ }
+ fs.closeSync(fdA);
+ fs.closeSync(fdB);
+ return true;
+}
+
+module.exports.equalFiles = equalFiles;