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Full Discussion: Script to provide percentages?
Top Forums Shell Programming and Scripting Script to provide percentages? Post 302602352 by balajesuri on Monday 27th of February 2012 05:48:36 AM
Old 02-27-2012
Quote:
Originally Posted by fpmurphy
Code:
$ printf "%0.2f\%\n"  $(( 100 * (3.00/400)))
0.75%

Quote:
Originally Posted by SkySmart
its way more than 75%
1. Solution provided by fpmurphy is the answer to question "What percentage of my yesterday's income is today's income?" And it's 0.75%, not 75%.

2. If you made $400 yesterday and $3 today, there's a reduction in 99.25% of your income -> (((400-3)/400)*100)

3. And looking at it the other way, you made 13233.33% more yesterday than the amount you made today -> (((400-3)/3)*100) Usually you don't get paid $3 the next day after you've been paid $400, so you don't get to see a figure like 13233% increase or 99.25% decrease !!

By the way, how is this related to 'Shell Programming and Scripting' forum?
This User Gave Thanks to balajesuri For This Post:
SkySmart
 

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LEARN ABOUT LINUX

tiff2bw

tiff2bw(1)							   User Commands							tiff2bw(1)

NAME

       tiff2bw - convert a color TIFF image to grayscale

SYNOPSIS

       tiff2bw [options] input.tif output.tif

DESCRIPTION

       tiff2bw	converts an RGB or palette color TIFF image to a grayscale image by combining percentages of the red, green, and blue channels. By
       default, output samples are created by taking 28% of the red channel, 59% of the green channel, and 11% of the blue channel. To alter these
       percentages, use the -R. -G, and -B options.

OPTIONS

       The following options are supported:

       -B	       Specify the percentage of the blue channel to use. The default value is 11.

       -c	       Specify a compression scheme to use when writing image data:

		       -c g3		       CCITT Group 3 compression algorithm.

		       -c g4		       CCITT Group 4 compression algorithm.

		       -c lzw		       Lempel-Ziv and Welch algorithm. This is the default algorithm.

		       -c none		       No compression.

		       -c packbits	       PackBits compression algorithm.

		       -c zip		       Deflate compression algorithm.

       -G	       Specify the percentage of the green channel to use. The default value is 59.

       -R	       Specify the percentage of the red channel to use. The default value is 28.

       -r	       Write  data  with  a  specified number of rows per strip. By default, the number of rows per strip is selected so that each
		       strip is approximately 8 kilobytes.

OPERANDS

       The following operands are supported:

       input.tif       The name of the input TIFF file.

       output.tif      The name of the output file.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWTiff			   |
       +-----------------------------+-----------------------------+
       |Interface stability	     |External			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       pal2rgb(1), tiffinfo(1), tiffcp(1), tiffmedian(1), libtiff(3)

NOTES

       Updated by Breda McColgan, Sun Microsystems Inc., 2004.

SunOS 5.10							    26 Mar 2004 							tiff2bw(1)
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