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pnmflip.1
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1994-08-27
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pnmflip(1) USER COMMANDS pnmflip(1)
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] [_✓p_✓n_✓m_✓f_✓i_✓l_✓e]
DESCRIPTION
Reads a portable anymap as input. Performs one or more flip
operations, in the order specified, and writes out a port-
able 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 pre-
fix.
SEE ALSO
pnmrotate(1), pnm(5)
AUTHOR
Copyright (C) 1989 by Jef Poskanzer.
Sun Release 4.0 Last change: 25 July 1989 1