Retrieve string from each line in a file based on a pattern in Unix Post: 302374722

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

Retrieve line from a file based on a value in specific column

Hi, I have a file that has several values seperated by ":" 2006:John:Student:Football:Portugal:Cinema 2006:James:Engineer:Basket:Poland:Theatre 2007:Lucy:Diver:Gymnastic:England:Music 2007:Smith:Plumber:Basket:Spain:Poker I need make a filter based on the 5th field to find countries that...

2. UNIX for Dummies Questions & Answers

(cont) Retrieve line from a file based on a value in specific column

HI, Your help was great: awk -F":" '$5 ~ /^P/{print }' file I would like to know what changes need to be done to this line code, so that I can put it in a shell script and call it as the example below. example: countries that start with chacater 'P' > country P Result: ...

3. Shell Programming and Scripting

how do we retrieve a line from a file in unix

we need to capture a record from a file in to a variable and do modifications to it .. so capturing line by line in a file in to some variable

4. Shell Programming and Scripting

Split File Based on Line Number Pattern

Hello all. Sorry, I know this question is similar to many others, but I just can seem to put together exactly what I need. My file is tab delimitted and contains approximately 1 million rows. I would like to send lines 1,4,& 7 to a file. Lines 2, 5, & 8 to a second file. Lines 3, 6, & 9 to...

5. Shell Programming and Scripting

search string in a file and retrieve 10 lines including string line

Hi Guys, I am trying to write a perl script to search a string "Name" in the file "FILE" and also want to create a new file and push the searched string Name line along with 10 lines following the same. can anyone of you please let me know how to go about it ?

6. Shell Programming and Scripting

sed or awk command to replace a string pattern with another string based on position of this string

here is what i want to achieve... consider a file contains below contents. the file size is large about 60mb cat dump.sql INSERT INTO `table1` (`id`, `action`, `date`, `descrip`, `lastModified`) VALUES (1,'Change','2011-05-05 00:00:00','Account Updated','2012-02-10...

7. Shell Programming and Scripting

Replace and add line in file with line in another file based on matching string

Hi, I want to achieve something similar to what described in another post: The difference is I want to add the line if the pattern is not found. File 1: A123, valueA, valueB B234, valueA, valueB C345, valueA, valueB D456, valueA, valueB E567, valueA, valueB F678, valueA, valueB ...

8. Shell Programming and Scripting

awk - To retrieve an expression from the last line containing a pattern

Hi All, I'm new on this forum, and i'm trying since several days to find out a way to retrieve a expression from the last line containing a pattern. Could you please help me with this ? E.g. The file is containing the following lines 08/05 17:33:47 STAT1 Response(22) is...

9. Shell Programming and Scripting

awk to insert missing string based on pattern in file

Using the file below, which will always have the first indicated by the digit after the - and last id in it, indicated by the digit after the -, I am trying to use awk to print the missing line or lines in file following the pattern of the previous line. For example, in the file below the next...

10. UNIX for Beginners Questions & Answers

Reading a file line by line and print required lines based on pattern

Hi All, i want to write a shell script read below file line by line and want to exclude the lines which contains empty value for MOUNTPOINT field. i am using centos 7 Operating system. want to read below file. # cat /tmp/d5 NAME="/dev/sda" TYPE="disk" SIZE="60G" OWNER="root"...

LEARN ABOUT DEBIAN

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)