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Full Discussion: calculate time from a given format
Top Forums Shell Programming and Scripting calculate time from a given format Post 302503345 by vaibhavkorde on Thursday 10th of March 2011 09:28:08 AM
Old 03-10-2011
calculate time from a given format
Hi
i have a file which consists of the time records in following format
H:MM:SS.sss
Code:
0:00:09.249
0:00:00.102
0:00:00.105
0:00:08.499
0:00:08.499
0:00:06.980
0:00:04.249
0:00:05.749
0:00:00.108
0:00:00.107
0:00:03.014
0:00:00.000

I need to calculate their equivalent milliseconds through a script and store them in another file
Please help me
Thanks in advance

---------- Post updated at 07:58 PM ---------- Previous update was at 07:25 PM ----------

I tried this
awk -F"[ :]" '{a=a" "$1;b=b" "$2;c=c" "$3;d=d" "$4}END{print (((a*3600)+(b*60)+c)*1000)+d}' duration2

but it just reads first line
how can i modify it to read all lines ?
 

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LEARN ABOUT LINUX

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

5.07								    06/23/2009								 ENVEXT(1)
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