TwainTiffBatcher accepts a number of input items and then repeatedly scans images to TIFF files by retrieving them from a TWAIN device. This allows for easier batch scanning workflows without the memory requirements of keeping all the images loaded in Photoshop.

Possibly later I will have more time, but right now, I can only give a brief description of the program and its use. The inputs to the file writing engine are:

• TIFF Output Directory
• The directory into which tiff files are written.
• Filename printf string
• A printf string used to derive filenames. This string will be used to format one decimal argument, so it should have a %d in it somewhere for the index number to be placed. I use:

  scan-%03d.tif

  which formats numbers to a minimum of three digits (i.e., file with index 5 would be scan-005.tif).
• Beginning index
• The first index number to use when generating a filename. Each time an image is written, the index is increased by one for the next image's filename generation.
• Update beginning index
• Updates the text field for beginning index when the scanner driver interface window is closed. This allows you not to worry about keeping track of the files to know what index should be used next
• Save settings
• Saves settings permanently in the registry for the next time the program is executed
• Remove Stored Settings
• Removes the settings stored in the registry.

TwainTiffBatcher will always check to verify whether writing an image would overwrite an existing file. In the case it does, it warns you and asks for permission to overwrite the file. Additionally, it tries to predict a write-failure for lack of security or write permissions type situations. It cannot predict failure due to lack of free disk space, but will handle that situation gracefully when it arises.

To install and use TwainTiffBatcher, download the archive and extract its contents to a new folder. You can run TwainTiffBatcher by double clicking twbatch.exe.