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vendors/jszip/documentation/examples/read-local-file-api.html

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+---
+title: "Reading a local file with the File API"
+layout: default
+section: example
+---
+
+<h3>Choose the local(s) zip file(s)</h3>
+<p class="note">Note : your browser will process the zip file, don't choose a file too big !</p>
+<input type="file" id="file" name="file" multiple /><br />
+
+<div id="error_block" class="alert alert-danger hidden">
+  You will need a recent browser to use this demo :(
+</div>
+
+<div id="result_block" class="hidden">
+  <h3>Content :</h3>
+  <div id="result"></div>
+</div>
+<script type="text/javascript" src="{{site.baseurl}}/test/jquery-1.8.3.min.js"></script>
+<script type="text/javascript">
+(function () {
+  if (!window.FileReader || !window.ArrayBuffer) {
+    $("#error_block").removeClass("hidden").addClass("show");
+    return;
+  }
+
+
+  var $result = $("#result");
+  $("#file").on("change", function(evt) {
+    // remove content
+    $result.html("");
+    // be sure to show the results
+    $("#result_block").removeClass("hidden").addClass("show");
+
+    // see http://www.html5rocks.com/en/tutorials/file/dndfiles/
+
+    var files = evt.target.files;
+    for (var i = 0, f; f = files[i]; i++) {
+
+      var reader = new FileReader();
+
+      // Closure to capture the file information.
+      reader.onload = (function(theFile) {
+        return function(e) {
+          var $title = $("<h4>", {
+            text : theFile.name
+          });
+          $result.append($title);
+          var $fileContent = $("<ul>");
+          try {
+
+            var dateBefore = new Date();
+            // read the content of the file with JSZip
+            var zip = new JSZip(e.target.result);
+            var dateAfter = new Date();
+
+            $title.append($("<span>", {
+              text:" (parsed in " + (dateAfter - dateBefore) + "ms)"
+            }));
+
+            // that, or a good ol' for(var entryName in zip.files)
+            $.each(zip.files, function (index, zipEntry) {
+              $fileContent.append($("<li>", {
+                text : zipEntry.name
+              }));
+              // the content is here : zipEntry.asText()
+            });
+            // end of the magic !
+
+          } catch(e) {
+            $fileContent = $("<div>", {
+              "class" : "alert alert-danger",
+              text : "Error reading " + theFile.name + " : " + e.message
+            });
+          }
+          $result.append($fileContent);
+        }
+      })(f);
+
+      // read the file !
+      // readAsArrayBuffer and readAsBinaryString both produce valid content for JSZip.
+      reader.readAsArrayBuffer(f);
+      // reader.readAsBinaryString(f);
+    }
+  });
+})();
+</script>