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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)