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Full Discussion: Sum specified values (columns) per row
Top Forums Shell Programming and Scripting Sum specified values (columns) per row Post 302898126 by pathunkathunk on Friday 18th of April 2014 09:48:21 PM
Old 04-18-2014
This works for the example file, but when I try it with my larger file there are some issues. For example if these lines are the input:
Code:
comp51820_c1_seq1	405	N	0:29:0:0:0:0	0:51:0:0:0:0	0:57:0:0:0:0	0:6:0:0:0:0	0:37:0:0:0:0
comp51820_c1_seq1	406	N	0:0:0:29:0:0	0:0:0:51:0:0	0:0:0:57:0:0	0:0:0:6:0:0	0:0:0:37:0:0
comp51820_c1_seq1	407	N	0:0:0:31:0:0	0:0:0:48:0:0	0:0:0:59:0:0	0:0:0:8:0:0	0:0:0:45:0:0
comp51820_c1_seq1	408	N	0:31:0:0:0:0	0:51:0:0:0:0	0:60:0:0:0:0	0:9:0:0:0:0	0:48:0:0:0:0
comp51820_c1_seq1	409	N	0:1:0:0:0:0	0:51:0:0:0:0	0:60:0:0:0:0	0:9:0:0:0:0	0:48:0:0:0:0

The output I get is:
Code:
-bash-4.1$ cat path.awk 
{   
	f=0   
	for(i=4;i<=NF;i++) {     
		n=split($i,a,":")     
		s=0     
		for(j=1;j<=n;j++) s+=a[j]     
		if (s>=8)        
		f++   } 
} 
f==(NF-4)
-bash-4.1$ 
-bash-4.1$ awk -f path.awk file.txt
comp51820_c1_seq1	405	N	0:29:0:0:0:0	0:51:0:0:0:0	0:57:0:0:0:0	0:6:0:0:0:0	0:37:0:0:0:0
comp51820_c1_seq1	406	N	0:0:0:29:0:0	0:0:0:51:0:0	0:0:0:57:0:0	0:0:0:6:0:0	0:0:0:37:0:0
comp51820_c1_seq1	409	N	0:1:0:0:0:0	0:51:0:0:0:0	0:60:0:0:0:0	0:9:0:0:0:0	0:48:0:0:0:0

This output is incorrect because the sum of $7 is < 8 in the first two lines, and the sum of $4 < 8 in the third line.

Expected output is:
Code:
comp51820_c1_seq1	407	N	0:0:0:31:0:0	0:0:0:48:0:0	0:0:0:59:0:0	0:0:0:8:0:0	0:0:0:45:0:0
comp51820_c1_seq1	408	N	0:31:0:0:0:0	0:51:0:0:0:0	0:60:0:0:0:0	0:9:0:0:0:0	0:48:0:0:0:0

The latest version also don't seem to work with the original example file:
Code:
-bash-4.1$ cat file2.txt 
comp51820_c1_seq1	42	N	0:0:0:0:0:0	1:0:0:0:0:0	0:0:0:0:0:0	3:0:0:0:0:0	0:0:0:0:0:0
comp51820_c1_seq1	43	N	0:0:0:0:0:0	0:1:0:0:0:0	0:0:0:0:0:0	0:3:0:0:0:0	0:0:0:0:0:0
comp51820_c1_seq1	44	N	0:0:4:0:3:1	0:0:1:9:0:0	10:0:0:0:0:0	0:3:3:2:2:6	2:2:2:5:60:3
comp51820_c1_seq1	45	N	0:4:0:0:5:0	0:1:8:0:0:0	0:0:0:0:9:0	0:3:0:0:6:0	0:0:0:0:13:0
-bash-4.1$ 
-bash-4.1$ awk -f path.awk file2.txt
-bash-4.1$ awk -f path2.awk file2.txt
comp51820_c1_seq1	44	N	0:0:4:0:3:1	0:0:1:9:0:0	10:0:0:0:0:0	0:3:3:2:2:6	2:2:2:5:60:3
-bash-4.1$ 
-bash-4.1$ cat path2.awk 
{   
	f=0   
	for(i=4;i<=NF;i++) {     
		n=split($i,a,":")     
		s=0     
		for(j=1;j<n;j++) s+=a[j]     
		if (s>=8)        
		f++   } 
} 
f==(NF-4)
-bash-4.1$ 
-bash-4.1$ cat path.awk 
{   
	f=0   
	for(i=4;i<=NF;i++) {     
		n=split($i,a,":")     
		s=0     
		for(j=1;j<=n;j++) s+=a[j]     
		if (s>=8)        
		f++   } 
} 
f==(NF-4)

 

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LEARN ABOUT ULTRIX

ppmtosixel

ppmtosixel(1)						      General Commands Manual						     ppmtosixel(1)

NAME

       ppmtosixel - convert a portable pixmap into DEC sixel format

SYNOPSIS

       ppmtosixel [-raw] [-margin] [ppmfile]

DESCRIPTION

       Reads  a  portable  pixmap  as input.  Produces sixel commands (SIX) as output.	The output is formatted for color printing, e.g. for a DEC
       LJ250 color inkjet printer.

       If RGB values from the PPM file do not have maxval=100, the RGB values are rescaled.  A printer control header and a color assignment table
       begin the SIX file.  Image data is written in a compressed format by default.  A printer control footer ends the image file.

OPTIONS

       -raw   If  specified,  each  pixel  will  be explicitly described in the image file.  If -raw is not specified, output will default to com-
	      pressed format in which identical adjacent pixels are replaced by "repeat pixel" commands.  A raw file is often an order	of  magni-
	      tude larger than a compressed file and prints much slower.

       -margin
	      If  -margin  is not specified, the image will be start at the left margin (of the window, paper, or whatever).  If -margin is speci-
	      fied, a 1.5 inch left margin will offset the image.

PRINTING

       Generally, sixel files must reach the printer unfiltered.  Use the lpr -x option or cat filename > /dev/tty0?.

BUGS

       Upon rescaling, truncation of the least significant bits of RGB values may result in poor color conversion.  If the original PPM maxval was
       greater	than  100,  rescaling  also reduces the image depth.  While the actual RGB values from the ppm file are more or less retained, the
       color palette of the LJ250 may not match the colors on your screen.  This seems to be a printer limitation.

SEE ALSO

       ppm(5)

AUTHOR

       Copyright (C) 1991 by Rick Vinci.

								   26 April 1991						     ppmtosixel(1)
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