ERR outputting TIFF to JPG on fd:1 in script mode IM7

[chrisedwards]

Good morning,

Executing the following:

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magick.exe -script -

Running:

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-read "test.tif"[0]

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-format "jpeg" -define jpeg:dct-method=float -format "jpeg" -resize "196x196^" -gravity "center" -crop "196x196+0+0" +repage -quality 80 -strip -write fd:1

Produces the following error:

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II*     TIFFAppendToStrip: Maximum TIFF file size exceeded.
magick.exe: Maximum TIFF file size exceeded. `TIFFAppendToStrip' @ error/tiff.c/TIFFErrors/560.
magick.exe: Error flushing data before directory write. `TIFFWriteDirectorySec' @ error/tiff.c/TIFFErrors/560.

Running the same command with -write to a normal file does not produce the error. Output should be around 10kb, works find when input is JPG or PSD.

Windows 8.1 x64 Q16 standard build options - source from about a week ago.

[chrisedwards]

If I specify

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-write jpeg:fd:1

It works fine. I was very much misinterpreting what "-format" does for magick (I was thinking mogrify usage).

Is there a way to set format beforehand with magick/convert without specifying it at output?

This isn't a bug.

[snibgo]

In "convert", "-format" specifies the content of text output.

The output type is specified by an extension or prefix. If neither is given, the type is taken from the input file.

[Mod note: I'm moving this to Users.]