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NAME
       pnmflip - perform one or more flip operations on a portable anymap


SYNOPSIS
       pnmflip   [-leftright|-lr]   [-topbottom|-tb]   [-transpose|-xy]   [-rotate90|-r90|-ccw  ]
       [-rotate270|-r270|-cw ] [-rotate180|-r180] [pnmfile]


DESCRIPTION
       Reads a portable anymap as input.  Performs one or more  flip  operations,  in  the  order
       specified, and writes out a portable anymap.


OPTIONS
       The  flip  operations  available  are:  left for right (-leftright or -lr); top for bottom
       (-topbottom or -tb); and transposition (-transpose or  -xy).   In  addition,  some  canned
       concatenations  are  available:  -rotate90 or -ccw is equivalent to -transpose -topbottom;
       -rotate270 or -cw is equivalent to -transpose -leftright; and -rotate180 is equivalent  to
       -leftright -topbottom.

       All flags can be abbreviated to their shortest unique prefix.


SEE ALSO
       pnmrotate(1), pnm(5)


AUTHOR
       Copyright (C) 1989 by Jef Poskanzer.

                                           25 July 1989                                pnmflip(1)