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Jul 30th, 2010

Read files from a folder without using openfile dialog

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Hi Guys,
I am unzipping a folder into a new folder and then wants to read all the files from the folder .My code is as follows.I dont want to create a folder but i cnt figure out a way to read all the files froma compressed folder and now when i create another folder i cnt read the files and i get error saying i do not have persmission to access teh folder.I have unchecked the read only preperty of the folder too.Can anyone help me with this.

C# Syntax (Toggle Plain Text)
 private void button1_Click(object sender, EventArgs e)
        {
 
 
            OpenFileDialog op = new OpenFileDialog();
            //DialogResult ok1 = dlgFolder.ShowDialog();
            //op.Filter = "xml files (*.xml)|*.xml|All files (*.*)|*.*";
            List<string> lst2 = new List<string>();
            //if (ok1 != DialogResult.Cancel)
            if (op.ShowDialog() != DialogResult.Cancel)
            {
 
                Title title1 = new Title();
                using (ZipFile zfile = new ZipFile())
                {
 
                    string path1 = op.FileName;
                    string newpath = "c:/processed/Procc1";
                    // using(var zf = Ionic.Zip.ZipFile.Read(path1))
 
                    using (ZipFile zip = ZipFile.Read(path1))
                    {
 
 
                        zip.ExtractAll(newpath);
 
                        StreamReader read = new StreamReader(newpath);
 private void button1_Click(object sender, EventArgs e)
        {


            OpenFileDialog op = new OpenFileDialog();
            //DialogResult ok1 = dlgFolder.ShowDialog();
            //op.Filter = "xml files (*.xml)|*.xml|All files (*.*)|*.*";
            List<string> lst2 = new List<string>();
            //if (ok1 != DialogResult.Cancel)
            if (op.ShowDialog() != DialogResult.Cancel)
            {

                Title title1 = new Title();
                using (ZipFile zfile = new ZipFile())
                {

                    string path1 = op.FileName;
                    string newpath = "c:/processed/Procc1";
                    // using(var zf = Ionic.Zip.ZipFile.Read(path1))

                    using (ZipFile zip = ZipFile.Read(path1))
                    {


                        zip.ExtractAll(newpath);
                       
                        StreamReader read = new StreamReader(newpath);

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sadhawan

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Jul 30th, 2010

Re: Read files from a folder without using openfile dialog

Look in the System.IO namespace.
Especially System.IO.File and System.IO.Directory.
These are used to inspect the file system.

Last edited by nick.crane; Jul 30th, 2010 at 2:10 pm.

nick.crane

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Jul 30th, 2010

Re: Read files from a folder without using openfile dialog

Click to Expand / Collapse Quote originally posted by sadhawan ...

I am unzipping a folder into a new folder and then wants to read all the files from the folder .My code is as follows.I dont want to create a folder but i cnt figure out a way to read all the files froma compressed folder and now when i create another folder i cnt read the files and i get error saying i do not have persmission to access teh folder.I have unchecked the read only preperty of the folder too.Can anyone help me with this.

If I read you right, you want to get at the contents of a ZIP file (compressed folder) without extracting them first. Yes? If so, you might look into using SharpZipLib.

gusano79

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Jul 30th, 2010

Re: Read files from a folder without using openfile dialog

Looking at the DetNetZip Library Examples you probably want to do something like this.

C# Syntax (Toggle Plain Text)
// open zip file given in OpenFileDialog
  using (ZipFile zip = ZipFile.Read(op.FileName))
  {
    foreach (ZipEntry e in zip)
    {
      MemoryStream outputStream = new MemoryStream();
      e.Extract(outputStream); // write file contents to memory stream
      outputStream.Position = 0; // reset stream pointer to start
      // do what you want with the stream data.
    }
  }
// open zip file given in OpenFileDialog
  using (ZipFile zip = ZipFile.Read(op.FileName))
  {
    foreach (ZipEntry e in zip)
    {
      MemoryStream outputStream = new MemoryStream();
      e.Extract(outputStream); // write file contents to memory stream
      outputStream.Position = 0; // reset stream pointer to start
      // do what you want with the stream data.
    }
  }

[Edit] Thanks to both sadhawan and gusano79 for introducing me to these Zip libraries.

Last edited by nick.crane; Jul 30th, 2010 at 2:52 pm.

nick.crane

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