Sponsored Content
Top Forums UNIX for Beginners Questions & Answers Get an output of lines in pattern 1st line then 10th line then 11th line then 20th line and so on. Post 303039972 by RudiC on Saturday 19th of October 2019 05:44:29 PM
Old 10-19-2019
Any attempts / ideas / thoughts from your side? Any preferences?


Is that homework / classwork?
 

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

find pattern delete line with pattern and line above and line below

I have a file that will sometimes contain a pattern. The pattern is this: W/D FRM CHK 00 I want to find any lines with this pattern, delete those lines, and also delete the line above and the line below. (1 Reply)
Discussion started by: nickg
1 Replies

2. Shell Programming and Scripting

find pattern, delete line with pattern and line above and line below

I have a file that will sometimes contain a pattern. The pattern is this: FRM CHK 0000 I want to find any lines with this pattern, delete those lines, and also delete the line above and the line below. (4 Replies)
Discussion started by: nickg
4 Replies

3. Shell Programming and Scripting

Grep multiple line pattern and output the lines

Hi I have the following Input -- -- TABLE: BUSINESS_UNIT -- ALTER TABLE RATINGS.BUSINESS_UNIT ADD CONSTRAINT FK1_BUSINESS_UNIT FOREIGN KEY (PEOPLESOFT_CHART_FIELD_VALUE_ID) REFERENCES RATINGS.PEOPLESOFT_CHART_FIELD_VALUE(PEOPLESOFT_CHART_FIELD_VALUE_ID) ; ALTER TABLE... (1 Reply)
Discussion started by: pukars4u
1 Replies

4. Shell Programming and Scripting

bash: read file line by line (lines have '\0') - not full line has read???

I am using the while-loop to read a file. The file has lines with null-terminated strings (words, actually.) What I have by that reading - just a first word up to '\0'! I need to have whole string up to 'new line' - (LF, 10#10, 16#A) What I am doing wrong? #make file 'grb' with... (6 Replies)
Discussion started by: alex_5161
6 Replies

5. Shell Programming and Scripting

how to read the contents of two files line by line and compare the line by line?

Hi All, I'm trying to figure out which are the trusted-ips and which are not using a script file.. I have a file named 'ip-list.txt' which contains some ip addresses and another file named 'trusted-ip-list.txt' which also contains some ip addresses. I want to read a line from... (4 Replies)
Discussion started by: mjavalkar
4 Replies

6. Shell Programming and Scripting

Grep the word from pattern line and update in subsequent lines till next pattern line reached

Hi, I have got the below requirement. please suggest. I have a file like, Processing Item is: /data/ing/cfg2/abc.txt /data/ing/cfg3/bgc.txt Processing Item is: /data/cmd/for2/ght.txt /data/kernal/config.klgt.txt I want to process the above file to get the output file like, ... (5 Replies)
Discussion started by: rbalaj16
5 Replies

7. Shell Programming and Scripting

Need a program that read a file line by line and prints out lines 1, 2 & 3 after an empty line...

Hello, I need a program that read a file line by line and prints out lines 1, 2 & 3 after an empty line... An example of entries in the file would be: SRVXPAPI001 ERRO JUN24 07:28:34 1775 REASON= 0000, PROCID= #E506 #1065: TPCIPPR, INDEX= 003F ... (8 Replies)
Discussion started by: Ferocci
8 Replies

8. Shell Programming and Scripting

How to read file line by line and compare subset of 1st line with 2nd?

Hi all, I have a log file say Test.log that gets updated continuously and it has data in pipe separated format. A sample log file would look like: <date1>|<data1>|<url1>|<result1> <date2>|<data2>|<url2>|<result2> <date3>|<data3>|<url3>|<result3> <date4>|<data4>|<url4>|<result4> What I... (3 Replies)
Discussion started by: pat_pramod
3 Replies

9. Shell Programming and Scripting

awk to combine lines from line with pattern match to a line that ends in a pattern

I am trying to combine lines with these conditions: 1. First line starts with text of "libname VALUE db2 datasrc" where VALUE can be any text. 2. If condition1 is met then continue to combine lines through a line that ends with a semicolon. 3. Ignore case when matching patterns and remove any... (5 Replies)
Discussion started by: Wes Kem
5 Replies

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"... (4 Replies)
Discussion started by: balu1234
4 Replies
GREP(1) 						      General Commands Manual							   GREP(1)

NAME
grep - search a file for lines containing a given pattern SYNOPSIS
grep [-elnsv] pattern [file] ... OPTIONS
-e -e pattern is the same as pattern -c Print a count of lines matched -i Ignore case -l Print file names, no lines -n Print line numbers -s Status only, no printed output -v Select lines that do not match EXAMPLES
grep mouse file # Find lines in file containing mouse grep [0-9] file # Print lines containing a digit DESCRIPTION
Grep searches one or more files (by default, stdin) and selects out all the lines that match the pattern. All the regular expressions accepted by ed and mined are allowed. In addition, + can be used instead of * to mean 1 or more occurrences, ? can be used to mean 0 or 1 occurrences, and | can be used between two regular expressions to mean either one of them. Parentheses can be used for grouping. If a match is found, exit status 0 is returned. If no match is found, exit status 1 is returned. If an error is detected, exit status 2 is returned. SEE ALSO
cgrep(1), fgrep(1), sed(1), awk(9). GREP(1)
All times are GMT -4. The time now is 06:11 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy