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Top Forums Shell Programming and Scripting Sum of three columns - in 4N columns file Post 302384746 by f_o_555 on Wednesday 6th of January 2010 08:02:08 AM
Old 01-06-2010
Sum of three columns - in 4N columns file

Hi All,
happy new year.

I have a file with 4xN columns like

Code:
0.0000e+00	0.0000e+00	7.199E+07	7.123E+07	6.976E+07	6.482E+07	5.256E+07	2.523E+07
0.0000e+00	0.0000e+00	8.641E+07	8.550E+07	8.373E+07	7.780E+07	6.309E+07	3.028E+07
0.0000e+00	0.0000e+00	1.017E+08	1.007E+08	9.857E+07	9.159E+07	7.427E+07	3.565E+07
0.0000e+00	0.0000e+00	1.178E+08	1.166E+08	1.142E+08	1.061E+08	8.603E+07	4.130E+07
0.0000e+00	0.0000e+00	1.347E+08	1.333E+08	1.305E+08	1.213E+08	9.832E+07	4.719E+07
0.0000e+00	0.0000e+00	1.521E+08	1.505E+08	1.474E+08	1.370E+08	1.111E+08	5.331E+07

In this case N=2, but it can be what ever number.
I would like to replace
the 0's in column 1 with the sum of the column N+1,2N+1,3N+1
the 0's in column 2 with the sum of the column N+2,2N+2,3N+2
...
the 0's in column N with the sum of the column N+N,2N+N,3N+N

At the moment I'm using the following script which works fine if N=1

Code:
awk -F'\t' '
  (/^[0-9]/ && $1 == 0 && $1 = sprintf("%.4E",$2 + $3 + $4)) || -3
  ' OFS='\t' filename

Any idea how to genaralize the code?
Thank you,
Sarah

Last edited by f_o_555; 01-06-2010 at 11:58 AM..
 

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FASTX_QUALITY_STATS(1)						   User Commands					    FASTX_QUALITY_STATS(1)

NAME
fastx_quality_stats - FASTX Statistics DESCRIPTION
usage: fastx_quality_stats [-h] [-N] [-i INFILE] [-o OUTFILE] Part of FASTX Toolkit 0.0.13.2 by A. Gordon (gordon@cshl.edu) [-h] = This helpful help screen. [-i INFILE] = FASTQ input file. default is STDIN. [-o OUTFILE] = TEXT output file. default is STDOUT. [-N] = New output format (with more information per nucleotide/cycle). The *OLD* output TEXT file will have the following fields (one row per column): column = column number (1 to 36 for a 36-cycles read solexa file) count = number of bases found in this column. min = Lowest quality score value found in this column. max = Highest quality score value found in this column. sum = Sum of quality score values for this column. mean = Mean quality score value for this column. Q1 = 1st quartile quality score. med = Median quality score. Q3 = 3rd quartile quality score. IQR = Inter-Quartile range (Q3-Q1). lW = 'Left-Whisker' value (for boxplotting). rW = 'Right-Whisker' value (for boxplotting). A_Count = Count of 'A' nucleotides found in this column. C_Count = Count of 'C' nucleotides found in this column. G_Count = Count of 'G' nucleotides found in this column. T_Count = Count of 'T' nucleotides found in this column. N_Count = Count of 'N' nucleo- tides found in this column. max-count = max. number of bases (in all cycles) The *NEW* output format: cycle (previously called 'column') = cycle number max-count For each nucleotide in the cycle (ALL/A/C/G/T/N): count = number of bases found in this column. min = Lowest quality score value found in this column. max = Highest quality score value found in this column. sum = Sum of quality score values for this column. mean = Mean quality score value for this column. Q1 = 1st quartile quality score. med = Median quality score. Q3 = 3rd quartile quality score. IQR = Inter-Quartile range (Q3-Q1). lW = 'Left-Whisker' value (for boxplotting). rW = 'Right-Whisker' value (for boxplotting). SEE ALSO
The quality of this automatically generated manpage might be insufficient. It is suggested to visit http://hannonlab.cshl.edu/fastx_toolkit/commandline.html to get a better layout as well as an overview about connected FASTX tools. fastx_quality_stats 0.0.13.2 May 2012 FASTX_QUALITY_STATS(1)
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