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pnmcat - concatenate portable anymaps
pnmcat [-white|-black] -leftright|-lr [-jtop|-jbottom] pnmfile pnmfile ...
pnmcat [-white|-black] -topbottom|-tb [-jleft|-jright] pnmfile pnmfile ...
Reads portable anymaps as input. Concatenates them either left to right or top to bottom,
and produces a portable anymap as output.
If the anymaps are not all the same height (left-right) or width (top-bottom), the smaller
ones have to be justified with the largest. By default, they get centered, but you can
specify one side or the other with one of the -j* flags. So, -topbottom -jleft would
stack the anymaps on top of each other, flush with the left edge.
The -white and -black flags specify what color to use to fill in the extra space when
doing this justification. If neither is specified, the program makes a guess.
All flags can be abbreviated to their shortest unique prefix.
Copyright (C) 1989 by Jef Poskanzer.
12 March 1989 pnmcat(1)
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