fstopgm

convert a Usenix FaceSaver(tm) file into a portable graymap

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fstopgm | pnmenlarge 3 | pnmscale <whatever> | pgmnorm | pgmtopbm

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fstopgm | pgmnorm

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fstopgm | pnmenlarge 3 | pgmnorm | pgmtopbm

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fstopgm | pnmscale -whatever | pgmnorm

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fstopgm > /dev/null

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