Sponsored Content
Top Forums Shell Programming and Scripting print lines containing only numbers Post 302552953 by gowtham.varma on Tuesday 6th of September 2011 07:35:15 AM
Old 09-06-2011
Quote:
egrep -v [a-zA-Z] <filename>
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Unix help to find blank lines in a file and print numbers on that line

Hi, I would like to know how to solve one of my problems using expert unix commands. I have a file with occasional blank lines; for example; dertu frthu fghtu frtty frtgy frgtui frgtu ghrye frhutp frjuf I need to edit the file so that the file looks like this; (10 Replies)
Discussion started by: Lucky Ali
10 Replies

2. Shell Programming and Scripting

print lines AFTER lines cointaining a regexp (or print every first and fourth line)

Hi all, This should be very easy but I can't figure it out... I have a file that looks like this: @SRR057408.1 FW8Y5CK02R652T length=34 AGCAGTGGTATCAACGCAGAGTAAGCAGTGGTAT +SRR057408.1 FW8Y5CK02R652T length=34 FIIHFF6666?=:88@@@BBD:::?@ABBAAA>8 @SRR057408.2 FW8Y5CK02TBMHV length=52... (1 Reply)
Discussion started by: kmkocot
1 Replies

3. Shell Programming and Scripting

print first few lines, then apply regex on a specific column to print results.

abc.dat tty cpu tin tout us sy wt id 0 0 7 3 19 71 extended device statistics r/s w/s kr/s kw/s wait actv wsvc_t asvc_t %w %b device 0.0 133.2 0.0 682.9 0.0 1.0 0.0 7.2 0 79 c1t0d0 0.2 180.4 0.1 5471.2 3.0 2.8 16.4 15.6 15 52 aaaaaa1-xx I want to skip first 5 line... (4 Replies)
Discussion started by: kchinnam
4 Replies

4. Shell Programming and Scripting

iterate through list of numbers and print specific lines with awk

Could someone please point me in the right direction with the following? I have a program that generates logs that contains sections like this: IMAGE INPUT 81 0 0.995 2449470 0 1726 368 1 0.0635 0.3291 82 0 1.001 2448013 0 1666 365 1 0.0649 ... (4 Replies)
Discussion started by: euval
4 Replies

5. UNIX for Dummies Questions & Answers

Print numbers and associated text belonging to an interval of numbers

##### (0 Replies)
Discussion started by: lucasvs
0 Replies

6. UNIX for Dummies Questions & Answers

Print last row of numbers

I have a spreadsheet of extremely long rows of numbers. I want to print only the last column. Tried using printf but there seems to be too many rows. example: 3 100 34 7 23 0 8 ..... X 400 203 778 1 ..........Y 58 3 9 0 100 ..........Z I only want to print X, Y and... (1 Reply)
Discussion started by: jimmyf
1 Replies

7. Shell Programming and Scripting

Print lines with numbers only.

Is there other way then this only solution I have found to print lines with numbers only? file.txtone two three 3 four five 5tt 6gfjdfgdf 9 66 six 0 seven 7 eight 546546 gffdg445gfg fd644 (7 Replies)
Discussion started by: Jotne
7 Replies

8. Shell Programming and Scripting

Print range of numbers

Hi I am getting an argument which specifies the range of numbers. eg: 7-15 Is there a way that i can easily (avoiding loop) print the range of number between and including the specified above. The above example should translate to 7,8,9,10,11,12,13,14,15 (3 Replies)
Discussion started by: tostay2003
3 Replies

9. UNIX for Dummies Questions & Answers

awk - (URGENT!) Print lines sort and move lines if match found

URGENT HELP IS NEEDED!! I am looking to move matching lines (01 - 07) from File1 and 77 tab the matching string from File2, to File3.txt. I am almost done but - Currently, script is not printing lines to File3.txt in order. - Also the matching lines are not moving out of File1.txt ... (1 Reply)
Discussion started by: High-T
1 Replies

10. UNIX for Beginners Questions & Answers

Print number of lines for files in directory, also print number of unique lines

I have a directory of files, I can show the number of lines in each file and order them from lowest to highest with: wc -l *|sort 15263 Image.txt 16401 reference.txt 40459 richtexteditor.txt How can I also print the number of unique lines in each file? 15263 1401 Image.txt 16401... (15 Replies)
Discussion started by: spacegoose
15 Replies
NL(1)                                                              User Commands                                                             NL(1)

NAME
nl - number lines of files SYNOPSIS
nl [OPTION]... [FILE]... DESCRIPTION
Write each FILE to standard output, with line numbers added. With no FILE, or when FILE is -, read standard input. Mandatory arguments to long options are mandatory for short options too. -b, --body-numbering=STYLE use STYLE for numbering body lines -d, --section-delimiter=CC use CC for logical page delimiters -f, --footer-numbering=STYLE use STYLE for numbering footer lines -h, --header-numbering=STYLE use STYLE for numbering header lines -i, --line-increment=NUMBER line number increment at each line -l, --join-blank-lines=NUMBER group of NUMBER empty lines counted as one -n, --number-format=FORMAT insert line numbers according to FORMAT -p, --no-renumber do not reset line numbers for each section -s, --number-separator=STRING add STRING after (possible) line number -v, --starting-line-number=NUMBER first line number for each section -w, --number-width=NUMBER use NUMBER columns for line numbers --help display this help and exit --version output version information and exit By default, selects -v1 -i1 -l1 -sTAB -w6 -nrn -hn -bt -fn. CC are two delimiter characters used to construct logical page delimiters, a missing second character implies :. Type \ for . STYLE is one of: a number all lines t number only nonempty lines n number no lines pBRE number only lines that contain a match for the basic regular expression, BRE FORMAT is one of: ln left justified, no leading zeros rn right justified, no leading zeros rz right justified, leading zeros AUTHOR
Written by Scott Bartram and David MacKenzie. REPORTING BUGS
GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report nl translation bugs to <http://translationproject.org/team/> COPYRIGHT
Copyright (C) 2017 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. SEE ALSO
Full documentation at: <http://www.gnu.org/software/coreutils/nl> or available locally via: info '(coreutils) nl invocation' GNU coreutils 8.28 January 2018 NL(1)
All times are GMT -4. The time now is 08:55 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy