how to find the nth field value in delimiter file in unix using awk Post: 302547303

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1. Shell Programming and Scripting

awk substitute variable value in nth field

I have a large csv file that looks like this: The 3rd field is a unix time stamp that I want to convert to human readable. I wrote a bash script with this code: IFS=$',' cat $1 | while read ID user DATE text flags read; do echo -e "$ID,$user,$(date -d @$DATE),$text,$flags,$read...

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awk output field delimiter

Dear All, 1.txt (tab in between each value in a line) a b c a b c a c d you can see below, why with ~ i can output with tab, but = cannot? # awk -F'\t' '$2 ~ /b/' 1 a b c a b c # awk -F'\t' '$2 = "b"' 1 a b c a b c a b d ...

3. UNIX for Dummies Questions & Answers

Find delimiter and double quote the field

Hi I have a asterisk (*) delimited file and there are some fields which contain data having asterisk , now i want to double quote the fileds which contain data with asterisk Ex: input file ID*NAME*EMAIL 1*BILL*BILL@AOL.com 2*J*OY*JOY@msn.com in the 2nd record JOY has a asterisk value in...

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How to Print from nth field to mth fields using awk

Hi, Is there any short method to print from a particular field till another filed using awk? Example File: File1 ==== 1|2|acv|vbc|......|100|342 2|3|afg|nhj|.......|100|346 Expected output: File2 ==== acv|vbc|.....|100 afg|nhj|.....|100

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Using AWK to find top Nth values in Nth column

I have an awk script to find the maximum value of the 2nd column of a 2 column datafile, but I need to find the top 5 maximum values of the 2nd column. Here is the script that works for the maximum value. awk 'BEGIN { subjectmax=$1 ; max=0} $2 >= max {subjectmax=$1 ; max=$2} END {print...

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Awk product of nth field

How do I do the product of nth filed just like sum. For sum I know like awk '{ sum += $12 } END {printf "%.2f\n", sum}' works as initial sum = 0. But for product how do initialize the variable to 1?

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awk - printing nth field based on parameter

I have a need to print nth field based on the parameter passed. Suppose I have 3 fields in a file, passing 1 to the function should print 1st field and so on. I have attempted below function but this throws an error due to incorrect awk syntax. function calcmaxlen { FIELDMAXLEN=0 ...

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How can awk ignore the field delimiter like comma inside a field?

We have a csv file as mentioned below and the requirement is to change the date format in file as mentioned below. Current file (file.csv) ---------------------- empname,date_of_join,dept,date_of_resignation ram,08/09/2015,sales,21/06/2016 "akash,sahu",08/10/2015,IT,21/07/2016 ...

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Use strings from nth field from one file to match strings in entire line in another file, awk

I cannot seem to get what should be a simple awk one-liner to work correctly and cannot figure out why. I would like to use patterns from a specific field in one file as regex to search for matching strings in the entire line ($0) of another file. I would like to output the lines of File2 which...

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Printing string from last field of the nth line of file to start (or end) of each line (awk I think)

My file (the output of an experiment) starts off looking like this, _____________________________________________________________ Subjects incorporated to date: 001 Data file started on machine PKSHS260-05CP ********************************************************************** Subject 1,...

LEARN ABOUT DEBIAN

set_color

set_color(1)							       fish							      set_color(1)

NAME

       set_color - set_color - set the terminal color

set_color - set the terminal color
   Synopsis
       set_color [-v --version] [-h --help] [-b --background COLOR] [COLOR]

   Description
       Change the foreground and/or background color of the terminal. COLOR is one of black, red, green, brown, yellow, blue, magenta, purple,
       cyan, white and normal.

       o -b, --background Set the background color

       o -c, --print-colors Prints a list of all valid color names

       o -h, --help Display help message and exit

       o -o, --bold Set bold or extra bright mode

       o -u, --underline Set underlined mode

       o -v, --version Display version and exit

       Calling set_color normal will set the terminal color to whatever is the default color of the terminal.

       Some terminals use the --bold escape sequence to switch to a brighter color set. On such terminals, set_color white will result in a grey
       font color, while set_color --bold white will result in a white font color.

       Not all terminal emulators support all these features. This is not a bug in set_color but a missing feature in the terminal emulator.

       set_color uses the terminfo database to look up how to change terminal colors on whatever terminal is in use. Some systems have old and
       incomplete terminfo databases, and may lack color information for terminals that support it. Download and install the latest version of
       ncurses and recompile fish against it in order to fix this issue.

Version 1.23.1							  Sun Jan 8 2012						      set_color(1)

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awk substitute variable value in nth field

Discussion started by: stumpyuk

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awk output field delimiter

Discussion started by: jimmy_y

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Find delimiter and double quote the field

Discussion started by: halmstad

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How to Print from nth field to mth fields using awk

Discussion started by: machomaddy