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Full Discussion: How to add numbers?
Top Forums Shell Programming and Scripting How to add numbers? Post 40195 by pnxi on Wednesday 10th of September 2003 09:07:06 PM
Old 09-10-2003
MySQL hi, thanx!

Smilie
Hi, thanx very much, butterfm and perdo! Your suggestions are extremelly useful, now I can display the total number of byte like something below:
Code:
total_byte()
{
  awk '{print $10}' access.log.1 | sort -k 1 | sort -o /tmp/pxi_tmp1
  sum=`awk 'BEGIN{total=0}{total += $1} END{print total}' /tmp/pxi_tmp1` 
  echo "Total byte transmitted: $sum"
}
 if [ $2 = -N ]; then
         echo "Here are $3 most popular files:"
         awk '{print $7}' access.log.1 | sort -k 1 |  uniq -c | sort -ur -o /tmp/pxi_tmp
         head -${3:-10} /tmp/pxi_tmp
	 total_byte
	 total_request
         rm /tmp/pxi_tmp

I have check the fuction of AWK command, it is a big functionality tool, I have to saySmilie .
I just have another point which confused me all the time, say if I want to display the files in my tmp file exclude those .gif, .jpg, .jpeg and .png
Code:
  162 /index.html
  129 /title.gif
  22   /~bob/
  483 /~fred/index.html
  13   /~fred/links.gif
  11   /~fred/blog.jpg

(The number in the front is the result of uniq -c, just ignore it)
I would like to display like belows:
Code:
  162 /index.html
  22   /~bob/
  483 /~fred/index.html

Here is the function about this part of my whold code so far:
Code:
elif [ $2 = -I ]; then
         echo "Here are numbers of moset requested files you want:"
         awk '{print $7}' access.log.1 | sort -k 1 |  uniq -c | sort -ur -o /tmp/pxi_tmp
	 ${/tmp/tmp.txt##/*/} >> /tmp/pxi_tmp1	  
	 head -n 10 /tmp/pxi_tmp1
	 total_byte
	 total_request
	 rm /tmp/pxi_tmp1
	 rm /tmp/pxi_tmp

can anybody show me how to achieve that.Smilie
 

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pfsinhdrgen(1)						      General Commands Manual						    pfsinhdrgen(1)

NAME
pfsinhdrgen - Create a pfs stream with different exposures defined by hdrgen script. SYNOPSIS
pfsinhdrgen <sample.hdrgen> DESCRIPTION
This program reads files defined in given hdrgen script and outputs them in a PFS stream. Each frame has a tag BV with corresponding brightness value (APEX standard). Larger BV corresponds to less exposure (darker image), necessary to capture a bright scene. The generated PFS stream is to be used with photo-metric calibration software and with generators of HDR images. HDRGEN script file is a plain text file in which each line contains: <path_to_an_image> <inverse_of_exposure_time_in_seconds> <aper- ture_size> <iso_speed> 0 In most cases it is convenient to use the jpeg2hdrgen program to create such a file automatically. In case it could not parse the exif information from jpeg files, it is necessary to create this file by hand. Below are the sample contents of such file: <--- cut here: sample.hdrgen /var/tmp/images/img08.jpg 4 2.8 100 0 /var/tmp/images/img09.jpg 58.8235 2.8 100 0 /var/tmp/images/img10.jpg 76.9231 2.8 100 0 /var/tmp/images/img11.jpg 322.581 2.8 100 0 /var/tmp/images/img12.jpg 400 2.8 100 0 <--- cut here: sample.hdrgen EXAMPLES
pfsinhdrgen sample.hdrgen | pfsview View exposures defined in sample.hdrgen script. SEE ALSO
jpeg2hdrgen(1) pfshdrcalibrate(1) BUGS
Please report bugs and comments on implementation to Grzegorz Krawczyk <gkrawczyk@users.sourceforge.net>. pfsinhdrgen(1)
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