Work with Tables and Files (Tablo ve Dosyalarla Çalışma)

Konusu 'AutoPlay Media Studio Öğreniyorum' forumundadır ve guclusat tarafından 4 Ocak 2019 başlatılmıştır.

  1. guclusat
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    guclusat Tanınmış Üye Süper Moderatör

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    Work with Tables and Files
    In AutoPlay Media Studio, tables are frequently used when working with files. Specifically, we will look at how the results of a Dialog.FileBrowse action are stored in a table, and how it is possible to work with a text file loaded into a table.

    Tables, in their basic form, are simply variables with many rows. The Dialog.FileBrowse action stores one file path per row in a table. When reading a text file into a table, every line in the text file is a separate row in the table.

    Example 1
    Using the Dialog.FileBrowse action, we will allow the user to browse a folder, and select multiple files. We will open each file with its default application:

    Kod:
    -- Present the user with a file browse dialog (with multiple select set to true)
    tFiles = Dialog.FileBrowse(true, "Multiple Select", "", "All Files(*.*)|*.*|", "", "", true, true);
    -- Ensure that tFiles contains something
    if tFiles then
       -- Check if the user pressed "Cancel"
       if tFiles[1] == "CANCEL" then
          -- The user pressed cancel, do nothing
       else
          -- The user did not press cancel, traverse the table of files.
          for nIndex, sFile in tFiles do
             -- Open file with the default program.
             File.Open(sFile, "", SW_SHOWNORMAL);
          end
       end
    end
    In the example above, the Dialog.FileBrowse action returns a table containing all the files that were selected. If the cancel button is pressed, the first row in the table (referenced by tFiles[1]) is set to 'CANCEL'. Otherwise, each row in the table contains the path to one file.

    Example 2
    Using the TextFile actions, we will load the contents of a text file into a table, and insert the text "Line two is the best line ever!!" into the second line of the text file:

    Kod:
    -- Present the user with a file browse dialog (with multiple select set to false)
    tFiles = Dialog.FileBrowse(true, "Single Select", "", "All Files(*.*)|*.*|", "", "", false, true);
    
    -- Ensure that tFiles contains something
    if tFiles then
       -- Check if the user pressed "Cancel"
       if tFiles[1] ~= "CANCEL" then
          -- The user did not press Cancel, continue
    
          -- Read the selected text file to a table
          tTextFileContents = TextFile.ReadToTable(tFiles[1]);
    
          -- Insert the text into line (row) two
          Table.Insert(tTextFileContents, 2, "Line two is the best line ever!!");
    
          -- Write the altered table back to the text file selected (DON'T append)
          TextFile.WriteFromTable(tFiles[1], tTextFileContents, false);
       end
    end
     
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