Replace a field where values are null in a file. Post: 302816803

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1. Shell Programming and Scripting

identifying null values in a file

I have a huge file with 20 fileds in each record and each field is seperated by "|". If i want to get all the reocrds that have 18th or for that matter any filed as null how can i do it? Please let me know

2. Shell Programming and Scripting

Replace 4th field if null

Hi .. Can some one please suggest me how to replace 4th field(column) of a .csv file with "NA" if it is null. Input file data: |A|21|B1||1.1| |A|21|C|RAGH|1.1| |A|21|D1||1.1| |A|21|C|YES|1.1 Expected Output |A|21|B1|NA|1.1| |A|22|C|RAGH|1.1| |B|23|D1|NA|1.1| |A|24|C|YES|1.1| Thank...

3. Shell Programming and Scripting

File values alwaya null

Hi All , below is my shell program. !/bin/sh set -x #---------------------------------------------------------------------------------------- # Program : weekly_remove_icd_file.sh # Author : # Date : 04/06/2013 # Purpose : Execute the script to...

4. Shell Programming and Scripting

To find char field and replace null

hi, i having a file with | seperated in which i need to search char in 3rd column and replace with null. i need to replace only the coulmn where character occurs in 3rd field for eg: file1.txt xx|yy|xx|12 output file: xx|yy||12

5. Shell Programming and Scripting

Find a blank field and replace values to NA

Hi All, i have a file like col1 col2 col3 13 24 NA 12 13 14 11 12 13 14 22 NA 18 26 NA in this file if i found "NA" other values in the line are also replace by NA Could you help me!

6. Shell Programming and Scripting

Replace null values in csv with zero

Hi, i have another issue: i have three files: FILE 1 ServiceEventHandler, Processed,Percentage 5285337,100% FILE 2 Wallet, Processed,Percentage 5285337,100%

7. Shell Programming and Scripting

Multiple columns replace with null values.

I am trying to replace the partcular columns(Col3,col5,col20,col44,col55,co56,col59,col60,col61,col62,col74,col75,col88,col90,col91,col93,col94,col95) with empty Input file Col1,col2,col3,col4,col5------,col100 1,2,3,4,5,---------,100 3,4,5,6,7,---------,300 Output : ...

8. Shell Programming and Scripting

Replace null values with dot using awk

Using awk I am trying to replace all blank or null values with a . in the tad delimited input. I hope the awk is close. Thank you :). input name test sam 1 liz 2 al 1 awk awk 'BEGIN{FS=OFS="\t"}{for(i=1;++i<NF;)$i=$i?$i:"."}1'input awk 'BEGIN { FS =...

9. UNIX for Beginners Questions & Answers

How to replace the field values, which are greater than the specified value with TRUE?

I have a csv file as given below, org1 org2 org3 org4 org5 gene1 100 80 90 80 150 gene2 30 70 50 50 115 gene3 40 120 60 40 105 gene4 20 72 40 60 20 I need to replace the fields are having values greater than 100 with "TRUE". I used the following commands to replace...

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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)