One of the better tools to use in this instance would be awk. The below example does not need grep or cat (cat is very rarely used at all in most situations), it will print field 7 and the number of fields:
Last edited by pilnet101; 06-09-2015 at 03:50 PM..
Is there a way to count the no. of fields (columns) in a file?
Actually I need to cut some fields starting from the middle to the end. How can I specify to cut till last field?
thanks in advance
:) (4 Replies)
I want to cut two coloums simulatiously and paste in some other file
for ex:
cut d ' ' -f3 -f4 xxx | paste yyy - > zzz;
from the above i want to cut two fileds 3 and 4 and paste as last coloums of single file (zzz).
how to solve this
regards
rajan (1 Reply)
I have a tab delimited file which has 90 fields and 15 million rows approximately...
I need to cut the first 78 fields only and I am using the
cut -f1-78 <filename> <outputfile>
It is taking a lot of time...
Is there a faster way of doing this? Can we use NAWK to gain better... (0 Replies)
I have a text:
dsj khfksjdh <time> EST 2006
ab cgnr jkkjt <time> EST 2006
gfhdgjghg <time> EST 2006
fkdjh kjhsekjrh kdjhfkh jhdfkhfdkjh kjdf <time> EST 2006
In the above file i need to extract time from every line... which is always the third from the last... Pls help!
Cheers,
Bouren (4 Replies)
Hello,
I would like to extract one or two fields of a line.
At the moment, I am extracting the first field of a line:
command | cut -f 1 -d '.' > file
The line can have two or three fields delimited with a dot.
if three fields, I want to be able to get the first two
ie if line =... (3 Replies)
I'm working on formatting some attendance data to meet a vendors requirements to upload to their system. With some help on the forums here, I have the data close. But they've since changed what they want.
The vendor wants me to submit three fields to them. Field 1 is the studentid field,... (4 Replies)
Hi,
I have data in following format.
10001, John, Daves, Architecture, -2219
10002, Jim, Cirners, Businessman, -2219
1003, Tom, Katch, Engineer, -14003
I want to select the last column of the above given file and paste it on a different file in the following manner.
File TEST column... (11 Replies)
Hello All,
I got a requirement when I was working with a file. Say the file has unloads of data from a table in the form
1|121|asda|434|thesi|2012|05|24|
1|343|unit|09|best|2012|11|5|
I was put into a scenario where I need the field count in all the lines in that file. It was simply... (6 Replies)
I'm having bother getting both lines contained in a file to output as the same value.
A simple example:
john:123456:123:456:doe
john:123456:123:doe
cut -d: -f1,4 input file
john:456
john:doe ^ first line should be same as second.
trick one for me, i know why it's because of the... (4 Replies)
I'm a complete beginner in UNIX (and not a computer science student either), just undergoing a tutoring course. Trying to replicate the instructions on my own I directed output of the ls listing command (lists all files of my home directory ) to My_dir.tsv file (see the screenshot) to make use of... (9 Replies)
Discussion started by: scrutinizerix
9 Replies
LEARN ABOUT REDHAT
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)