arithmetic operations on 1 column of a file Post: 302479368

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Hi there, I want some help on scripting regarding file processing. I have a scenario in which I have 10 files. (file1.txt, file2.txt....) and they are in paricular format. I want to read these files and append some text lines at the begining of each file and write this updated contents of...

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problem in arithmetic operations

hello all, i am having a variable with a value of 0000010000 and if i add the variable with some no: suppose i=0000010000 n=`expr $i + 1` echo $n the output i am reciving is 10001 .it deletes all the zeros but i need result as 0000010001.. please help me... thanks in...

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Friends, I have a file with contents like: interface Serial0/4/0/0/1/1/1/1:0 encapsulation mfr multilink group 101 Now I need to manipulate the file in such a way that to all the numbers less than 163, 63 gets added and to all numbers greater than 163, 63 gets deducted.(The numbers...

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Guys, The below expression is valid in which shells (sh,ksh,bash,csh)? VAR1=2 VAR2=$(($VAR1 -2)) Thanks

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I have a txt file with two columns Freq Loss 10 30 20 40 30 10 40 50 50 60i have used the below code to get the minimum value out of this array in second cloumn. awk 'NR==N{min=$N;max=$N}NR>N{if ($N>max){max=$N};if ($N<min){min=$N}}END {print...

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I have a file like this product qty1 qty2 value cola 50 25 1 pepsi 100 75 2 muffin 25 30 0.5 would like to do the following operations with one line command 1) disply the line having "Qty1" greater than or equal to 50 2) display the line Qty1 - Qty2 ...

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i am having a varialbe a , which is input to my file i want to multiply this input with value .43, and assign it to variable b. i tried it as below: #!/bin/sh a=$1 b=`expr $1\*0.43` echo b=$b error : expr: non-integer argument Please tell me , how to do this. Thanks

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Mathematical Operations on Column

Hi All, I want to perform a mathematical operation on column. Can anyone please help? Here is the sample of operation to be performed: 123 996 100 123 996 200 123 996 200 2015-09-21 123 996 100 123 996 200 123 996 100 What I want is to multiple all values of column # 3 by 100 and...

LEARN ABOUT DEBIAN

shtool-table

SHTOOL-TABLE.TMP(1)					      GNU Portable Shell Tool					       SHTOOL-TABLE.TMP(1)

NAME

       shtool-table - GNU shtool pretty-print a field-separated list

SYNOPSIS

       shtool table [-F|--field-sep sep] [-w|--width width] [-c|--columns cols] [-s|--strip strip] strsepstr...

DESCRIPTION

       This pretty-prints a list of strings as a table.

OPTIONS

       The following command line options are available.

       -F, --field-sep sep
	   Separate columns using sep. Default is ":".

       -w, --width width
	   Width of each column. Default is 15 characters.

       -c, --columns cols
	   Number of columns. Default is 3.

       -s, --strip strip
	   Strip off any characters past strip. Default is 79.

EXAMPLE

	#   shell script
	shtool table -F , -w 5 -c 4 "1,2,3,4,5,6,7,8,9,10,11,12"

HISTORY

       The GNU shtool table command was originally written by Ralf S.  Engelschall <rse@engelschall.com> in 1999 for GNU shtool.

SEE ALSO

       shtool(1), tr(1), fmt(1), sh(1), awk(1), sed(1).

18-Jul-2008							   shtool 2.0.8 					       SHTOOL-TABLE.TMP(1)

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Discussion started by: chiragmistry21

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Discussion started by: ithirak17

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Need help is manipulating a file with some arithmetic operations using bash script

Discussion started by: shrijith1

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Arithmetic operations in bash,ksh,sh

Discussion started by: rprajendran