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Problem with ImageMagick convert and paths with frame selectors


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.

Regards,
Piotr GliÅniewicz


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