03-29-2009
sed / awk to concatenate lines until blank line
Sample input (line feed indicated by [LF])
---------------
The red fox jumped [LF]
over the brown fence of the [LF]
red hous [LF]
[LF]
[LF]
[LF]
He then went into the[LF]
orchard[LF]
[LF]
---------------
Desired Output
---------------
The red fox jumped over the brown fence of the red house
[LF]
He then went into the orchard
[LF]
any input on a sed/awk one liner to achieve this would be immensely helpful
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LEARN ABOUT DEBIAN
ppmdither
ppmdither(1) General Commands Manual ppmdither(1)
NAME
ppmdither - ordered dither for color images
SYNOPSIS
ppmdither [-dim power] [-red shades] [-green shades] [-blue shades] [ppmfile]
DESCRIPTION
Reads a portable pixmap as input, and applies dithering to it to reduce the number of colors used down to the specified number of shades
for each primary. The default number of shades is red=5, green=9, blue=5, for a total of 225 colors. To convert the image to a binary rgb
format suitable for color printers, use -red 2 -green 2 -blue 2.
OPTIONS
-dim power The size of the dithering matrix. The dithering matrix is a square whose dimension is a power of 2. power is that power of
2. The default is 4, for a 16 by 16 matrix.
-red shades The number of red shades to be used, including black; minimum of 2.
-green shades The number of green shades to be used, including black; minimum of 2.
-blue shades The number of blue shades to be used, including black; minimum of 2.
SEE ALSO
pnmdepth(1), ppmquant(1), ppm(5)
AUTHOR
Copyright (C) 1991 by Christos Zoulas.
14 July 1991 ppmdither(1)