remove values of a file one by one from 2nd file and then print the remaining values of 2nd file Post: 302470032

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Top Forums Shell Programming and Scripting remove values of a file one by one from 2nd file and then print the remaining values of 2nd file Post 302470032 by AshwaniSharma09 on Tuesday 9th of November 2010 04:03:43 AM

11-09-2010

Registered User

remove values of a file one by one from 2nd file and then print the remaining values of 2nd file

Hi all,

I have 2 files. One contains only 1 column and other one contains 2 columns, let say 1_col.txt and 2_col.txt respectively. Here, I will try to explain with an example.

Input files :

Code:

1_col.txt          2_col.txt
a                       a    b
x                       a    c
p                       m    n
                        o    p
                        q    r
                        q    p
                        x    y

In output files, I need to remove values of 1_col.txt one by one from 2_col.txt and then just print the remaining values of 2_col.txt
output files :

Code:

output.1  output.2  output.3
m   n     a   b     a   b
o   p     a   c     a   c
q   r     m   n     m   n
q   p     o   p     q   r
x   y     q   r     x   y
          q   p

output.1 doesn't have any line containing value "a" .
output.2 doesn't have any line containing value "x".
output.3 doesn't have any line containing value "p".

In this way, the number of output files should be equal to the number of lines in 1_col.txt.

Any help would be highly appreciated,

Thanks & Regards,
Ashwani

Last edited by AshwaniSharma09; 11-09-2010 at 07:26 AM.. Reason: code tags

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LEARN ABOUT DEBIAN

numsum

NUMSUM(1)						User Contributed Perl Documentation						 NUMSUM(1)

NAME

       numsum - numsum program file

SYNOPSIS

       numsum [-iIcdhrsvxy] <FILE>

       | numsum [-iIcdhrsvxy]	(Input on STDIN from pipeline.)

       numsum [-iIcdhrsvxy]	(Input on STDIN.  Use Ctrl-D to stop.)

DESCRIPTION

       numsum will take all the numbers on stdin and return the sum of those numbers.  Currently it only processes the first number on each line.
       Besides positive numbers, it also handles negative numbers and numbers with decimals.

OPTIONS

	   -i  Only return the integer portion of the final sum.
	   -I  Only return the decimal portion of the final sum.

	   -c	   Print out the sum of each column.
	   -r	   Print out the sum of each row.

	   -x <n>  Specify a comma seperated list of columns to print.
	   -y <n>  Specify a comma seperated list of rows to print.

	   -s <string> Specify a string to use as a seperator for columns.
		       This defaults to be consecutive whitespace (s+).

	   -h  Help: You're looking at it.
	   -V  Increase verbosity.
	   -d  Debug mode.  For developers
	   -q  Quiet mode, don't print any warnings.

EXAMPLES

       Simply add up the numbers in a file.
	   $ numsum numbers.txt
	   4315

       Enter your own numbers on STDIN. The last number is the answer.
	   $ numsum
	   4
	   21
	   98
	   100
	   223

       Use it in a command pipeline.
	   $ ls -1s | grep .mp3 | numsum -c -x 5
	   72288

       Add up the total byte count in a http log file.
	   $ cat access_log | awk {'print $10'} numsum

	   or

	   numsum -c -x 10 access_log

       Add up the columns of numbers of a file.

	   $ cat columns
	   1 6 11 16 21
	   2 7 12 17 22
	   3 8 13 18 23
	   4 9 14 19 24
	   5 10 15 20 25
	   $ numsum -c columns
	   15 40 65 90 115

       Add up the 1st, 2nd and 5th columns only.

	   $ numsum -c -x 1,2,5 columns
	   15 40 115

       Add up the rows of numbers of a file.

	    $ numsum -r columns
	    55
	    60
	    65
	    70
	    75

       Add up the 2nd and 4th rows.

	    $ numsum -r -y 2,4 columns
	    60
	    70

SEE ALSO

       numaverage(1), numbound(1), numinterval(1), numnormalize(1), numgrep(1), numprocess(1), numrandom(1), numrange(1), numround(1)

COPYRIGHT

       numsum is part of the num-utils package, which is copyrighted by Suso Banderas and released under the GPL license.  Please read the COPYING
       and LICENSE files that came with the num-utils package

	 Developers can read the GOALS file and contact me about providing
       submitions or help for the project.

MORE INFO

       More info on numsum can be found at:

       http://suso.suso.org/programs/num-utils/

perl v5.10.1							    2009-10-31								 NUMSUM(1)