Count and print the most repeating string in each line Post: 302938478

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Top Forums Shell Programming and Scripting Count and print the most repeating string in each line Post 302938478 by AshwaniSharma09 on Monday 16th of March 2015 10:30:09 PM

03-16-2015

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Count and print the most repeating string in each line

Hi all,

I have a file in which each string from column 1 is associated with one or multiple strings from column 2. For an example, in the sample input below, Gene1 from column1 is associated with two different strings from column 2 (BP1 and BP2).For every unique string from column 1, I need to print the most associated string from column 2.

Input.txt:

Code:

Gene1   BP1
Gene1   BP1
Gene1   BP2
Gene1   BP1
Gene1   BP2
Gene2   BP3
Gene2   BP3
Gene2   BP3
Gene2   BP3
Gene3   BP7
Gene3   BP8
Gene3   BP7
Gene3   BP8

Output.txt:

Code:

Gene1   BP1   3
Gene2   BP3   4
Gene3   BP7   2   BP8   2

Here,
BP1 is highest number of connections (3 out of 5) with Gene1.
BP3 is highest number of connections (4 out of 4) with Gene2.
BP7 and BP8 have equal number of connections (each 2) with Gene3.

Your time is much appreciated.
Thanks!

AshwaniSharma09

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LEARN ABOUT MOJAVE

colrm

COLRM(1)						    BSD General Commands Manual 						  COLRM(1)

NAME

     colrm -- remove columns from a file

SYNOPSIS

     colrm [start [stop]]

DESCRIPTION

     The colrm utility removes selected columns from the lines of a file.  A column is defined as a single character in a line.  Input is read
     from the standard input.  Output is written to the standard output.

     If only the start column is specified, columns numbered less than the start column will be written.  If both start and stop columns are spec-
     ified, columns numbered less than the start column or greater than the stop column will be written.  Column numbering starts with one, not
     zero.

     Tab characters increment the column count to the next multiple of eight.  Backspace characters decrement the column count by one.

ENVIRONMENT

     The LANG, LC_ALL and LC_CTYPE environment variables affect the execution of colrm as described in environ(7).

EXIT STATUS

     The colrm utility exits 0 on success, and >0 if an error occurs.

SEE ALSO

     awk(1), column(1), cut(1), paste(1)

HISTORY

     The colrm command appeared in 3.0BSD.

BSD
								  August 4, 2004							       BSD

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