renpics can be used to rename jpg, avi and wav files produced by a digital camera based on exposure date and time the pictures were taken. The files are renamed to have the form:

  YYYYMMDD-hhmm-ssnn-cam.jpg

where YYYY is the year, MM is the month, DD is the day, hh is the hour, mm is the minute, ss is the second, nn is a sequence number (for when more than one picture was taken in a given second), and cam is the camera name.

On Windows, renpics is a console app. That is, it is meant to be run from a command shell (command.com or cmd.exe).

As mentioned above the name of the camera is added to the filename, at the end. For those that have different models of digital cameras, it is often very useful to know from which camera a picture was taken. If renpics does not know about your camera, then you can tell it with the -c command line argument (see below).

The command line arguments are:

• -c camera :: set the name of the camera to camera.
• -f :: use the date of the file not the date in the file. The date in the file is taken from the EXIF header created by the camera.
• -o output-directory :: set the output directory where the renamed files go. It can be the same as the input directory, in which case the files are just renamed in that directory.
• -m :: move instead of copy the files.
• -n :: do not rename any files, just print what would have been done.
• -q :: be quiet, very quiet. Normally renpics prints informative messages as to what it is doing.