$ mogrify -format jpg `find . -name '*.bmp'`
mogrify: unable to open image '`find': No such file or directory @ error/blob.c/OpenBlob/3570.
mogrify: no decode delegate for this image format `' @ error/constitute.c/ReadImage/741.
mogrify: no decode delegate for this image format `' @ error/constitute.c/ReadImage/741.
mogrify: unrecognized option `-name' @ error/mogrify.c/MogrifyImageCommand/5544.