Manipulating a header file using awk or sed Post: 302401486

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Manipulating awk $variables using sed?

I have been searching around the forums here trying to find a solution to my problem but not getting anywhere but closer to baldness. I have a 20 column pipe "|" seperated text file. The 14th variable doesnt always exist, but will have the format of YYYYMM or YYYY if it does. I need to take...

2. Shell Programming and Scripting

awk/sed column replace using column header - help

$ cat log.txt Name Age Sex Lcation nfld alias xsd CC 25 M XYZ asx KK Y BB 21 F XAS awe SS N SD 21 M AQW rty SD A How can I replace the column with header "Lcation" with the column with header "alias" and delete the "alias" column? so that the final output will become: Name Age Sex...

3. Shell Programming and Scripting

manipulating Fields in file using SED

Hi, I have two issues: I have one file say file1.dat and its over 3GB. It contains pipe delimited fields. The first line in the file is the header field which tells the column names etc. and from second line it's the data fileds with pipe delimited. Something like below: ...

4. Shell Programming and Scripting

Manipulating the etc/passwd file with sed

How can i use sed to extract the user name and home directory from the /etc/passwd/ file on my server.

5. Shell Programming and Scripting

Manipulating a variable using sed (solved)

Hi, My variable has value as this: tvar1="bool_risk_enabled" Boolean "true" Now I need to replace this true with false. Which is the best way to do this? Can we do this with sed command? Please help me. ---------- Post updated at 05:23 PM ---------- Previous update was at 05:00 PM...

6. Shell Programming and Scripting

Adding header to sub files after splitting the main file using AWK

Hi Folks, I have a file like: mainfile.txt: ------------- file1 abc def xyz file1 aaa pqr xyz file2 lmn ghi xyz file2 bbb tuv xyz I need output having two files file1 and file2. file1: ------ Name State Country abc def xyz aaa pqr xyz file2:

7. Shell Programming and Scripting

Manipulating xyz file with awk-if-else or sed

Hi forum, I am really hoping somebody can please help me here. I have a dataset in xyz format, with longitude as x, latitude as y and data readings as z. eg. 0 90 -8 1 90 23 2 90 -4 etc etc etc What i am looking to do is format the data so that x and y are untouched, however in...

8. Shell Programming and Scripting

Average, min and max in file with header, using awk

Hi, I have a file which looks like this: FID IID MISS_PHENO N_MISS N_GENO F_MISS 12AB43131 12AB43131 N 17774 906341 0.01961 65HJ87451 65HJ87451 N 10149 906341 0.0112 43JJ21345 43JJ21345 N 2826 906341 0.003118I would...

9. Shell Programming and Scripting

Awk/sed script for transposing any number of rows with header row

Greetings! I have been trying to find out a way to take a CSV file with a large number of rows, and a very large number of columns (in the thousands) and convert the rows to a single column of data, where the first row is a header representing the attribute name and the subsequent series of...

10. Shell Programming and Scripting

Creating your own Header file in awk

whether it is possible in awk to create your own header file like in C if so someone give me awk equivalent for below one $ cat foo.h int add(int a,int b) { return(a+b); } $ cat main.c #include<stdio.h> #include"foo.h" void main() { int number1=10,number2=10,number3; number3 =...

LEARN ABOUT LINUX

igawk

IGAWK(1)							 Utility Commands							  IGAWK(1)

NAME

       igawk - gawk with include files

SYNOPSIS

       igawk [ all gawk options ] -f program-file [ -- ] file ...
       igawk [ all gawk options ] [ -- ] program-text file ...

DESCRIPTION

       Igawk is a simple shell script that adds the ability to have ``include files'' to gawk(1).

       AWK programs for igawk are the same as for gawk, except that, in addition, you may have lines like

	      @include getopt.awk

       in your program to include the file getopt.awk from either the current directory or one of the other directories in the search path.

OPTIONS

       See gawk(1) for a full description of the AWK language and the options that gawk supports.

EXAMPLES

       cat << EOF > test.awk
       @include getopt.awk

       BEGIN {
	    while (getopt(ARGC, ARGV, "am:q") != -1)
		 ...
       }
       EOF

       igawk -f test.awk

SEE ALSO

       gawk(1)

       Effective AWK Programming, Edition 1.0, published by the Free Software Foundation, 1995.

AUTHOR

       Arnold Robbins (arnold@skeeve.com).

Free Software Foundation					    Nov 3 1999								  IGAWK(1)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Manipulating awk $variables using sed?

Discussion started by: r0sc0

2. Shell Programming and Scripting

awk/sed column replace using column header - help

Discussion started by: jkl_jkl

3. Shell Programming and Scripting

manipulating Fields in file using SED

Discussion started by: rkumar28

4. Shell Programming and Scripting

Manipulating the etc/passwd file with sed

Discussion started by: Pauline mugisha