Hello, was looking for some help on extracting a field from the passwd file.
So far I have made a copy of the passwd file and changed my rights so I can edit it. Every user's password is coded as an :x:, and my goal was to change that x to a blank, and then try to extract any user with that field... (2 Replies)
below are the contents of file 'tmp.out':
2|34|534|
1|355|54|
1|443|34|
3|43|768|
3|7|887|
1|9|990|
How do I extract the 2nd and 3rd columns of file 'tmp.out' only when the first column equals '1'.
Note that this file will be huge; atleast 5million+ rows, so I want to avoid looping... (4 Replies)
path = /first/second/third/fourth. i want to extract /first/second/third from path.my program something like this ....
path=/first/second/third/fourth
noc=`echo $path|tr '/' '\n'|wc -w`
var='echo $noc|cut -d'/' -f 1-$noc --> is giving error.
why $noc is not working here.any other... (3 Replies)
:confused: I have a tab delimited file that I need to extract data from and into a file with specific field specs. Each field has to be a certain amount of characters. So, the name field (from delimited file) might have only 15 characters but needs to be 25 (in new file) so I need to insert spaces... (5 Replies)
Hi,
Within a UNIX shell script I need to extract a value from an XML field. The field will contain different values but will always be 6 digits in length. E.g.:
<provider-id>999999</provider-id>
I've tried various ways but no luck. Any ideas how I might get the provider id (in this case... (2 Replies)
Hello Friends,
I have a file(InputFile.csv) with the following columns(the columns are pipe-delimited):
ColA|ColB|ColC|ColD|ColE|ColF
Now for this file, I have to get those records which fulfil the following condition:
If "ColB" is NOT NULL and "ColD" has values one of the following... (9 Replies)
I have a csv file that I need to extract some data from depending on another field after reading info from another text file.
The text file would say have 592560 in it.
The csv file may have some data like so
Field 1 Field2 Field3 Field4 Field5 Field6
20009756 1 ... (9 Replies)
Hi,
In my file (which is "," delimited and text qualifier is "), I have to extract a particualr field.
file1:
1,"aa,b",4
expected is the 2nd field:
aa,b
I tried the basic cut -d "," -f 2 file 1, this gave me
aa alone instead aa,b.
A small hint ot help on this will be very... (5 Replies)
Hi,
I have a file with colon separated values like below. How can i get those lines whose third field is 0 (zero). In the below example, lines starting with stapler and tempo has its third field as 0
$ cat list.txt
galaxy:b:5:world
stapler:a:0:hello
abc:a:4:stomper
kepler:uic:5:jam... (8 Replies)
Hi All,
I have records in unix file like below. In this file, we have empty fields from 4th Column to 22nd Column. I have some 200000 records in a file. I want to extract records only which have empty fields from 4th field to 22nd filed. This file is comma separated file. what is the unix... (2 Replies)
Discussion started by: rakeshp
2 Replies
LEARN ABOUT CENTOS
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)