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Top Forums Shell Programming and Scripting Seperated a Column from 'ESC' Character seperated file Post 303020459 by Don Cragun on Thursday 19th of July 2018 11:56:07 PM
Old 07-20-2018
Hi neha_suri06,
If you want quick replies to your queries, and have those replies have a good chance of woking in your environment, it is crucial that you always tell us what operating system you're using, what shell you're using, and show us what you have tried.

Showing us the output from cat -v file gives us ambiguous data about what the actual contents are of the file named by file might be. If your sample input file has fields delimited by ASCII escape characters, we know that it contains at least two lines each containing somewhere between one and seven fields. To help us test code that might work to solve your problem, it is always better to include a copy of the data you want to process (in CODE tags) or upload a copy of the file itself. If there are questions about the data contained in a file, showing us the output from hexdump -C file (if it is available on your system) or od -bc file (which should be available on any UNIX or UNIX-like system) is always better than cat -v file because they both produce unambiguous output.

Refusing to answer questions about what you have tried and what you have considered trying makes it very clear that, despite what you said in your first post, this problem must not really be urgent for you.

Hi chandan.chaman and wisecracker,
As RudiC has already said, if you look closely at post #1 in this thread, you will see that the sample input show in that post is not the actual contents of the file named op.dat; it is the contents of op.dat after processing by cat -v. From that output, we don't know if there are any circumflex characters in op.dat, but we do know that if there are any, they are data rather than being field delimiters.

If we knew that there are no circumflex characters in the first field in op.dat (which is not stated anywhere in neha_suri06's requirements but might be assumed from the given example), one could try the grossly inefficient:
Code:
cat -v op.dat | awk -F'^' '{print $1}'

Much better solutions could be suggested if we knew what operating system and shell neha_suri06 is using and had a better understand of what neha_suri06 had already tried to solve this problem.

Hoping this helps Smilie ,
Don
 

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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)
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