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Full Discussion: script o/p problem
Top Forums Shell Programming and Scripting script o/p problem Post 302558188 by vinodkumar1979 on Friday 23rd of September 2011 04:21:16 AM
Old 09-23-2011
script o/p problem
Code:
#!/bin/bash
string=$1
if [ $string=red ]; then
echo "blue"
elif [ $string=blue ]; then
echo "red"
else
echo "nocolour"
fi

in the above script if I run
Code:
red script.sh

i am getting blue
if I run
Code:
blue script.sh

it is showing the following error
Code:
File "script.sh", line 2
  string=$1
           ^
SyntaxError: invalid syntax

pls solve my problem
if i run blue script.sh i have to get red
if i run something script.sh i have to get noclour
 

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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)
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