On 9/13/2012 2:10 PM, Piotr Gliźniewicz wrote:
Hi,
I have problems with convert when used with paths including selectors
for frames. The ImageMagick version I'm using is 6.7.6-3 2012-04-28 Q16.
If I run these commands in bash:
convert "/cygdrive/c/test/test.gif" -thumbnail 100x100
"/cygdrive/c/test/test.jpg"
or
convert "C:/test/test.gif" -thumbnail 100x100 "/cygdrive/c/test/test.jpg"
they work OK - thumbnails are generated for every frame.
If I add a frame selector, as described here:
http://www.imagemagick.org/script/command-line-processing.php (Selecting
Frames), this version works:
convert "/cygdrive/c/test/test.gif[0]" -thumbnail 100x100
"/cygdrive/c/test/test.jpg"
but this one:
convert "C:/test/test.gif[0]" -thumbnail 100x100
"/cygdrive/c/test/test.jpg"
fails with:
convert: must specify image size `/test/test.gif' @
error/raw.c/ReadRAWImage/136.
convert: missing an image filename `/cygdrive/c/test/test.jpg' @
error/convert.c/ConvertImageCommand/3017.
Is there something I'm doing wrong or is it some problem with
ImageMagick/Cygwin failing to parse the paths at some point? I tried
escaping paths in single quotes or escaping the the brackets, but it
doesn't help.
use the posix form, please.
see http://cygwin.com/cygwin-ug-net/using.html#using-pathnames
"Using native Win32 paths
Using native Win32 paths in Cygwin, while possible, is generally
inadvisable."
as example with a different program:
$ ls "E:/cygwin/tmp/sombrero_1_1.png"
cygwin warning:
MS-DOS style path detected: E:/cygwin/tmp/sombrero_1_1.png
Preferred POSIX equivalent is: /tmp/sombrero_1_1.png
CYGWIN environment variable option "nodosfilewarning" turns off this
warning.
Consult the user's guide for more details about POSIX paths:
http://cygwin.com/cygwin-ug-net/using.html#using-pathnames
E:/cygwin/tmp/sombrero_1_1.png
$ ls "/cygdrive/e/cygwin/tmp/sombrero_1_1.png"
/cygdrive/e/cygwin/tmp/sombrero_1_1.png
Regards,
Piotr Gliźniewicz
Marco
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