Summing over specific lines and replacing the lines with the sum using sed, awk Post: 302661709

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LEARN ABOUT DEBIAN

stda

STDA(1) 							   User Commands							   STDA(1)

NAME

       stda -  Simple Tools for Data Analysis (STDA)

DESCRIPTION

       STDA includes some primary tools for data analysis. You can evaluate sums, averages, integrals, derivatives, histograms or probability dis-
       tribution functions of 1-d data, and eventually plot the results. The programs are stand-alone tools (supporting the  standard  UNIX  input
       and  output  pipelines)	intended for data processing from the command line. It should be noted that all but one of the scripts use awk and
       core system utilities. For plotting you have to install Gnuplot (see http://gnuplot.info) since 'muplot' is a wrapper around  it.  In  sum-
       mary,  the  package  provides  utilities  for straightforward analysis of data series where a complex analytical approach is not needed and
       where an ultimate numerical precision with floating-point numbers is not critical. Some general examples of application cases include eval-
       uating usage statistics from server logfiles, determining a response time distribution from a series of queries to a [remote] service, pro-
       ducing a plot from multiple data files, etc.

       This software should be considered as an open project to be extended with new command-line driven utilities helpful for	performing  common
       data analysis tasks. Any contributions and suggestions are welcome.

       Following programs are included in the distribution:

       * maphimbu   - histogram builder for 1-d numerical and text data

       * mintegrate - average/sum/integral/derivative of 1-d numerical data

       * mmval	    - find minimum and maximum value in a data set

       * muplot     - plot a multi-curve figure from multiple data by using Gnuplot

       * nnum	    - produce a series of equally separated integers or floats

       * prefield   - prepare input file for 'muplot' to plot 2-d fields by arrows

EXAMPLES

       -  Evaluate  the current apache2 logfile and make an unique list of the hostnames (respectively ip-addresses) sorted by the total number of
       their http requests:

	      maphimbu -rs2 /var/log/apache2/access.log

       - On a X terminal plot the probability function and the cumulative distribution function of a sin(x) data sample:

	      nnum -3.14159 3.14159 0.00001 %.6g |awk '{ print $1, sin($1) }'  | maphimbu -d0.01 -x2 -ns1 |mintegrate -d0.01 -x1 -y3  -S  |muplot
	      lp - 1:3,4

COPYRIGHT

       Copyright (C) 2009, 2011-2012 Dimitar Ivanov <dimitar.ivanov@mirendom.net>

       License: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
       This is free software: you are free to change and redistribute it.  There is NO WARRANTY, to the extent permitted by law.

stda 1.1.1							   February 2012							   STDA(1)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

replacing specific lines in a file

Discussion started by: hcclnoodles

2. Shell Programming and Scripting

Sed or Awk to remove specific lines

Discussion started by: Shoeless_Mike

3. Shell Programming and Scripting

Selecting specific 'id's from lines and columns using 'SED' or 'AWK'

Discussion started by: kamskamu

4. Shell Programming and Scripting

Sed/awk to delete single lines that aren't touching other lines

Discussion started by: slimjbe