On Fri, 31 May 2002, C Falconer wrote: > pants:/public_html/jubilee# cat index.html | jpegtopnm > Not a JPEG file: starts with 0x3c 0x21 > > pants:/public_html/jubilee# cat cover.jpg | jpegtopnm > /dev/null > jpegtopnm: WRITING PPM FILE
It might be better to use the return code. Try something like this in
bash:
if (jpegtopnm < "${FILE}" 2>&1 > /dev/null) ; then
echo jepg file
else
echo not a jpeg file
fi
tim
http://www.cosc.canterbury.ac.nz/~tnw13
Quidquid latine dictum sit, altum viditur.
