thumbs-call-convert

thumbs-call-convert is a compiled Lisp function in `thumbs.el'.

(thumbs-call-convert FILEIN FILEOUT ACTION &optional ARG OUTPUT-FORMAT ACTION-PREFIX)

Call the convert program.
FILEIN is the input file,
FILEOUT is the output file,
ACTION is the command to send to convert.
Optional arguments are:
ARG any arguments to the ACTION command,
OUTPUT-FORMAT is the file format to output (default is jpeg),
ACTION-PREFIX is the symbol to place before the ACTION command
(defaults to '-' but can sometimes be '+').