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FileWatcher Version 3.0.0

FileWatcher version 3.0.0

The Cadacus File Watcher Service will "watch a directory" for filenames that end in ".fw".  When an ".fw" file is placed in the watched directory, these file will then be transferred to a Windows Printer without going through the print driver. This allows formatted files to be sent directly to a Windows printer.

The program is designed to be used with the Shipping Solutions labeling service as an alternative to using Rawprint, the direct queue mechanism, or the e.Net business objects over webservices.

Download the FileWatcher Installer

Click here to Download File Watcher 3.0.0 Installer     Released : February 23, 2016
Important notes:

  • Filewatcher requires Microsoft.Net Framework 4.0;  for more details on .Net Framework versions and links, see steps 2 and 3 here.

Install the FileWatcher service

  • Determine if FileWatcher is already installed on the application server via "Programs and Features" in the Windows Control Panel, for example:
    version check
  • If there is no "Cadacus FileWatcher Service" already installed, or if the first number in the program version shown in "Programs" is less than 3.x.x (e.g., 2.x.x), the old FileWatcher version must be uninstalled before installing the new version as shown below. Click here to see the steps to uninstall the "old" FileWatcher

2.1.  Uninstall steps

  1. For uninstalling previously installed FileWatcher versions less than 3.xx (e.g., 2.x.x), go to Windows Control Panel--Programs and Features and uninstall the "Cadacus FileWatcher Service" as follows:
  2. Run "Regedit" from the Windows Run prompt (on the keyboard, press the Windows key and the "R" key simultaneously), for example:
    Run Regedit
  3. FileWatcher versions prior to 3.x.x were 32-bit Windows applications, so once in Regedit, go to HKEY_LOCAL_MACHINE--> SOFTWARE--> Cadacus--> FileWatcher to see the registry entries and values.
    Note: if the Cadacus--> FileWatcher registry keys are not found at that location and if the server is a 64-bit machine, please check the registry for 64-bit machines at: HKEY_LOCAL_MACHINE--> SOFTWARE--> WOW6432Node--> Cadacus--> FileWatcher.

  4. Find and make note of "old" FileWatcher registry keys. If the "old" FileWatcher's directories and paths are desired to also be used in the new FileWatcher version, take a screenshot and/or write down all the registry keys and values, as the "old" version's directories and paths must be manually transferred to settings in an XML file containing the newer FileWatcher's (version 3.0.0) settings. Then follow the steps (further below) describing the manual transfer of the old values subsequent to the downloading and installation of the FileWatcher version 3.0.0 program. The following is an example of a screenshot taken of the registry keys from the "old" version of FileWatcher (2.x.x) as seen in the registry for 32-bit applications (as noted above, alternatively look for the WOW6432Node registry path for 64-bit machines):
    Old Registry keys
  5. On the application server, download the FileWatcher 3.x.x Installer from the link at the top of this page and run it.
  6. Open the application configuration file: as noted above, the "old" version of Filewatcher (2.x.x) stored application settings in the Windows registry; however, the new version of Filewatcher (3.x.x) uses an "application configuration file" to store application settings controlled by the user. The application configuration file is a text file (FileWatcherService.exe.config) stored in the same directory as the new FileWatcher application program (example below). Use any text editor to open this file for editing.
    Application configuration file
  7. FileWatcher versions prior to 3.x.x stored application configurations in Windows registry keys. To migrate the configuration settings from the registry to the new application configuration text file, follow the example below.
    Please note some other settings from the registry may not exist in the new application configuration file and may be safely ignored.
    Migrate registry settings to application configuration file
    When all registry key/values have been migrated to the new application configuration file, it is recommended to remove the FileWatcher registry entries, e.g.:
    Remove registry keys

    For first-time FileWatcher 3.x.x installations:
    Edit the FileWatcher application configuration text file. See the example default file (FileWatcherService.exe.config) below, stored at the default location (C:\ProgramFiles\Cadacus\FileWatcher\):
    Application configuration edit example file
    The application configuration file above contains default settings in the key/value format. See the setting descriptions below and optionally change the default values, if desired
    • key="Directory": This is the default directory created by the installation (C:\FileWatcher\watch) which is being watched by the FileWatcher service. When print files ending in .fw are dropped in this directory, the FileWatcher service recognizes a new .fw file has been placed there and processes the content of the .fw file as label print data to be passed to the print queue. If a different default watch directory is desired, change the path value in this key.
    • key="QueueTranslation":The Queue Translation file is just a text file containing translation lines or commands with one entry per line (see further below for more details). The primary purpose of the Queue Translation file is to provide the option of assigning a specific shipping station or handheld to a physical printer. The default name value of the queue translation file is "queues.txt". If a queue translation file name different from the default is desired, enter it in the corresponding key value here.
    • key="SavePath": This is the default directory for saving archive copies of the .fw files processed by the service.
    • key="Delete": Accepts values of "true" or "false" and determines whether .fw files are saved or deleted after processing. Note: this key value should always be set to "true", unless testing is being done.
    • key="Debug": Adds additional information to the logs  (NoDebug is the default).
    • key="FileLog": Logs information to the file designated by <filename>  (NoFileLog is the default).
    • key="EventLog": Logs information to the Windows System Event Log;  (NoEventLog is the default).
  8. Start the service "Cadacus File Watcher" in the Administrator Services Control Panel. The service will automatically start the next time the system is restarted. The services control panel can also be used to start the service manually.FileWatcher Service

Format the FileWatcher file name

The filename must use the following format:
<WatchDirectory>\Queue.<Printer Name>.<FileName>.fw
<WatchDirectory>  -  The directory FileWatcher is watching
Queue  -  Tells FileWatcher to transfer the file to a Windows Print Queue
<Printer Name>  -  The Windows Printer name
<FileName>  -  Any unique filename
.fw  -  The required suffix.  Only files with this suffix are processed

Using FileWatcher from a Label Control file

Configuring a label control file to use FileWatcher requires two steps.

  1. Remove any lines starting with [QUEUE]
  2. Add or modify the line starting with [FILE] to output the label to the filewatcher directory using the proper filename syntax.


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