[vox-tech] convert PNM image to PBM using pbmtools?

[Henry House]

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Does anyone know how to convert a PNM (portable anymap) image into a PBM
(portable bitmap) on the command line? The closest that I can come is to use
pbmdepth to convert to a 1-bit deep image, but the result is a PGM (portable
graymap), not a PBM. Any ideas?

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Henry House
The attached file is a digital signature. See <http://romana.hajhouse.org/p=
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for information.  My OpenPGP key: <http://romana.hajhouse.org/hajhouse.asc>.

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