Function ReadZip

contrib/diff-scripts/diff-zip.js:62–105

(pathToZipFile)

// Read a zip file contents and write to a temporary file.
// Return the file name, or empty if an error occured.
function ReadZip(pathToZipFile)
{
    var Folder;
    Folder = ShellApplication.NameSpace(pathToZipFile);
    if (!Folder)
    {
        MsgBox("Cannot read " + pathToZipFile, 48, "diff-zip.js");
        return "";
    }
    else
    {
        var Items, File;
        Items = Folder.Items();
        FileName = FileSystemObject.GetSpecialFolder(2) + "\\" + FileSystemObject.GetTempName();
        // 2 = ForWriting
        // -1 = Opens the file as Unicode
        File = FileSystemObject.OpenTextFile(FileName, 2, true, -1);
        if (!File)
        {
            MsgBox("Cannot open " + File + " for writing", 48, "diff-zip.js");
            return "";
        }

        File.WriteLine(pathToZipFile);
        File.WriteLine("");
        var MaxLength = 20;
        for (var i = 0; i < Items.Count; i++)
        {
            if (Items.Item(i).Name.length > MaxLength)
            {
                MaxLength = Items.Item(i).Name.length;
            }
        }
        for (var i = 0; i < Items.Count; i++)
        {
            var Item = Items.Item(i);
            File.WriteLine(Item.Name + new Array(MaxLength-Item.Name.length+2).join(" ") + Item.ModifyDate + new Array(11-Item.Size.toString().length).join(" ") + Item.Size);
        }
        File.WriteLine("");
        File.WriteLine(Items.Count + " items");
        File.Close();
        return FileName;
    }
}

// Read the two input zip files
BaseFile = ReadZip(BaseFile)