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CanOpener User GuideThis is the CanOpener 1.0 (Win) User Guide. The CanOpener 4.0 (Mac) User Guide is here. CanOpener 1.0 for Windows Requirements: Windows95/98/NT. OPENING A FILE To open a file without using drag and drop, run CanOpener then choose Open from the File menu, or double click the file in the file list (the top left panel of the CanOpener window.) You can open folders in this list by double clicking, or use the button above the list to change disks and select other folders. When you open a file with CanOpener it scans the contents for text, pictures or sounds and lists items in the contents area (the top right panel of the CanOpener window.) To display any item, double click it (if the item is a sound, it is played.) To specify what CanOpener looks for when it opens a file, click the Text, Pictures and Sounds checkboxes located immediately above the contents area. EXTRACTING FILE CONTENTS To copy text from a text item, first double click to display the item, then select the desired text and choose Copy from the Edit menu. You can then paste the text into another program by choosing Paste from the Edit menu inside the desired program. To save the text to disk, first double click to display the item, then select the desired text and choose Save As from the Item menu. When you display a text item, a button appears just above the display area, and allows you to choose text filters. These filters operate on the displayed text. The available filters are: Clean EMail - cleans email
files Sentences - extracts sentences To copy a picture item, first double click to display the picture, then choose Copy from the Edit menu. You can then paste the picture into another program by choosing Paste from the Edit menu inside the desired program. To save a picture to disk, first double click to display the picture, then choose Save As from the Item menu. Notice that you can change the file format of the saved picture. This means you can use CanOpener to convert pictures between different formats. VISIT THE CANOPENER USER WEB PAGE SEARCHING FILES FOR TEXT To search all files in the file list choose Search Files from the File menu. A dialog box appears: Click Contents if you want to search file contents. Otherwise, click File Name to search file names. Type the text you want to find in the first text box. If you wish to search for two pieces of text, type the second in the other text box. (If you entered two pieces of text, click And to locate files with the first text and the second. Click Or to locate files with the first text or the second. Click But Not to locate files with the first text but not the second.) Click Case Sensitive if you want CanOpener to match uppercase and lowercase letters. Click Include Subdirectories if you want the search to include folders. Click the output results button to choose an ouput results pane. CanOpener can perform up to 8 concurrent searches and display results in seperate panes. If you are only doing a single search you can ignore this button and leave it set to the default #1 pane. Click OK to start the search. CanOpener searches all files in the file list and displays found files in the file list area. To open a found file, double click the file name. If you decided to run several concurrent searches, you can display the results of each search by choosing the appropriate Search Results from the Show menu. When you have finished using the found files, choose All from the Show menu to return the file list display to normal. Your list of found files is not lost, you can return to it anytime by choosing Search Results from the Show menu. PREFERENCES Startup allows you to choose a file to open when CanOpener starts up. Click Show Open Dialog to display the standard file dialog on startup, so you can choose any file. Click Show Last File if you want CanOpener to display the last file used on startup. Text Cleanup, allows you to control the way CanOpener extracts meaningful text from files containing lots of 'gobboldy gook'. We recommend you first view a file with text cleanup off in order to get a feel for what's in the file. If you find what you need you probably won't require any text cleanup. A Text Cleanup setting of Default is good for most situations, we recommend you experiment with changing the three parameters only if all else fails. Click Off to switch text cleanup off. With text cleanup off, files will open faster but will display their entire contents including all control characters. Click On to activate text cleanup. With text cleanup on, CanOpener reads the entire file but extracts only 'good' text as defined by three parameters: Min Ascii Length, Max Extended Ascii and Max Repeat Length. Click Default to set all three parameters to their default values recommended for most files. The three text cleanup parameters can be changed by dragging the 'slider' controls. Min Ascii Length: (Can be set to any value in the range 2-25.) Strings of characters will be discarded if they are shorter than this length. It's best to start with low values, say 2 or 3 and increase only if needed. Max Extended Ascii Length: (Can be set to any value in the range 0-25.) Strings of 'special' characters (such as bullets and foreign accents) are discarded if they are longer than this length. A setting of 0 means all special characters will be discarded, and is the usual setting. However, you may want to increase this parameter if you need to keep special characters. Max Repeat Length: (Can be set to any value in the range 2-99.) Text strings longer than this length are discarded if they consists of a single repeated character. A setting of 2 or 3 will discard the maximum amount of repeats and is safe with real text (since almost no words contain characters repeated 3 or 4 times). But if you wish to keep long repeats (such as strings of bullets, spaces, periods, dashes etc.) set this to 99 or switch text cleanup off. Sounds allows you to switch the CanOpener sounds on and off. These are short sounds that play on most CanOpener operations such as opening files and displaying file contents.
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