batch_image_convert - use VIPS to convert a set of images to a new type
batch_image_convert type image1 image2 ...
The first argument is the name of an image type, subsequent arguments are the
names of files to be converted to that type. VIPS can usually read almost any
image type, but it can only write VIPS, PNG, TIFF, PPM/PGM/PBM and JPEG. You
can specify conversion parameters in the type name.
For example:
batch_image_convert tiff fred.jpg jim.png
will convert
fred.jpg and
jim.png to TIFF format.
batch_image_convert jpeg:95 jim.png
will write jim.jpeg with a 95% quality factor.
returns 0 on success and non-zero on error.
vipsheader(1), im_vips2tiff(3), im_vips2jpeg(3), im_vips2png(3), im_vips2ppm(3)