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Full Discussion: how to retain leading zeros
Top Forums Shell Programming and Scripting how to retain leading zeros Post 302095725 by Manish Jha on Thursday 9th of November 2006 04:43:10 PM
Old 11-09-2006
how to retain leading zeros
Hi All,

I am working with a fixed width file Forrmat.
C1 Number (10,3)
C2 Number (10,3)

e.g.
c1= 0000000100.000
c2= 0000000020.000
0000000100.0000000000020.000

I have to perform c1 - c2 . i.e. I want answer to be 0000000080.000. but I am loosing the leading zeros( only getting 80.000) when I am manipulating the file using awk. I tired with printf(%10.3f,c1-c2), but i am unable to retain leading zeros in the output.

Is there any way to retain leading zeros. As of now I could think of writing a logic to get the original length of c1 and then padd that many zeros to the final value of c1-c2. Any body has any other thoughts or any easy way to get this?

Thanks,
--Manish
 

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LEARN ABOUT DEBIAN

envext

ENVEXT(1)						  The Canonical Csound Reference						 ENVEXT(1)

NAME

       envext - Extracts the envelope of a file to a text file. .

SYNTAX

	   envext [-flags] soundfile

	   csound -U envext [-flags] soundfile

INITIALIZATION

       soundfile - Name of the input soundfile.

       The following flags are available for envext (The default values are stated in parenthesis):
	   -o fnam Name of output filename (newenv)
	   -w size (in seconds) of analysis window (0.25)

       The envext utility generates a text file containing time and amplitude pairs by finding the absolute peak within each window.

EXAMPLE

       Using the command (while in the manual directory):

	   csound -U envext examples/mary.wav

       will produce the a text file containing the following:

	     0.000   0.000
	     0.000   0.000
	     0.250   0.000
	     0.500   0.000
	     0.750   0.000
	     1.249   0.170
	     1.499   0.269
	     1.530   0.307
	     1.872   0.263
	     2.056   0.304
	     2.294   0.241
	     2.570   0.216
	     2.761   0.178
	     3.077   0.011
	     3.251   0.001
	     3.500   0.000

       Which shows the time for the peak amplitude within each measured window.

CREDITS

       Author: John ffitch

       1995

AUTHORS

       Barry Vercoe
       MIT Media Lab

	   Author.

       Dan Ellis
       MIT Media Lab,
		 Cambridge
		 Massachussetts

	   Author.

COPYRIGHT

5.10								    08/01/2011								 ENVEXT(1)
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