Sponsored Content
Top Forums Shell Programming and Scripting Remove white space at the beginning of lines Post 302231538 by tipi on Tuesday 2nd of September 2008 02:40:14 PM
Old 09-02-2008
Remove white space at the beginning of lines

Hi!

I store some data obtained with grep or awk in a file. The problem is that some lines have white space at the begining :

[w h i t e s p a c e]line1
line2
[whitespace]line3

I use something like
grep WORD INFILE >> OUTFILE
awk [script] >> OUTFILE

I would love if it were possible to remove the white whitout parsing the OUTFILE after the grep or awk command. Is there an option like I could put in the grep or awk saying "keep only what is at left of the white space"?

Any better idea?

Thanks a lot,

Tipi
 

10 More Discussions You Might Find Interesting

1. UNIX for Advanced & Expert Users

Add new lines with a space in beginning

Hi file1.txt contains GigabitEthernet1/1 GigabitEthernet1/2 GigabitEthernet2/2 GigabitEthernet2/4 GigabitEthernet2/14 GigabitEthernet2/16 can anyone show me how to modify it as below. there is a space at the beginning of the next two lines . ie 'no shut' and 'switch..' !... (8 Replies)
Discussion started by: Aejaz
8 Replies

2. UNIX for Dummies Questions & Answers

SED with White Space

Dear Members, Suppose i have a variable test which stores a string as below: test='John drives+++++++++a+++++car' now i want to use sed on the above variable and replace + with a white space, so that i get echo $test should give me 'john drives a car' Between... (1 Reply)
Discussion started by: sandeep_1105
1 Replies

3. Shell Programming and Scripting

Extract lines between 2 strings add white space

I'm trying to extract all the lines between 2 strings (including the lines containing the strings) To make the strings unique I need to include white space if possible. I'm not certain how to do that. sed -n '/ string1 /,/string2/p' infile > outfile & (4 Replies)
Discussion started by: dcfargo
4 Replies

4. Shell Programming and Scripting

How to remove white spaces from the beginning an end of a string in unix?

Suppose, I have a variable var=" name is ". I want to remove the blank spaces from the begining and endonly, not from the entire string. So, that the variable/string looks like following var="name is". Please look after the issue. (3 Replies)
Discussion started by: mady135
3 Replies

5. Shell Programming and Scripting

remove white space from specific columns in text file

Hello i have a text file like this: 1 AB AC AD EE 2 WE TR YT WW 3 AS UY RF YT the file is bigger , but that's an example of the data what i want to do is to merge all columns together except the first one, it will become like this : 1 ABACADEE 2 WETRYTWW 3 ASUYRFYT (8 Replies)
Discussion started by: shelladdict
8 Replies

6. Shell Programming and Scripting

Remove unwanted white space

Hi, I have a very big file 25GB with information present in it like $ head ind_stats update index statistics pfirm001.dbo.Office using 200 values go ... (11 Replies)
Discussion started by: sam05121988
11 Replies

7. Shell Programming and Scripting

Remove certain lines from file based on start of line except beginning and ending

Hi, I have multiple large files which consist of the below format: I am trying to write an awk or sed script to remove all occurrences of the 00 record except the first and remove all of the 80 records except the last one. Any help would be greatly appreciated. (10 Replies)
Discussion started by: nwalsh88
10 Replies

8. Shell Programming and Scripting

Remove white space and duplicate headers

I have a file called "dsout" with empty rows and duplicate headers. DATE TIME TOTAL_GB USED_GB %USED --------- -------- ---------- ---------- ---------- 03/05/013 12:34 PM 3151.24316 2331.56653 73.988785 ... (3 Replies)
Discussion started by: Daniel Gate
3 Replies

9. Shell Programming and Scripting

Add white space

hi guys how can i add spacein file name with sed if strings have no space around dash input 19-20 ( 18-19 ) ABC-EFG output after add white space 19 - 20 (18 - 19 ) ABC - EFG thx in advance (2 Replies)
Discussion started by: mhs
2 Replies

10. Shell Programming and Scripting

Remove of white space when you have multiple column

i have file in which i want to remove white space from each column where ever it exist there is white space at the end of line. i know how to remove white space if i have only 1 column, but i have multiple columns and white space can be in any column. sed 's/ *$//' file ath-miRf10005-akr... (5 Replies)
Discussion started by: mirwasim
5 Replies
ZGREP(1)						      General Commands Manual							  ZGREP(1)

NAME
zgrep - search possibly compressed files for a regular expression SYNOPSIS
zgrep [ grep_options ] [ -e ] pattern filename... DESCRIPTION
Zgrep invokes grep on compressed or gzipped files. These grep options will cause zgrep to terminate with an error code: (-[drRzZ]|--di*|--exc*|--inc*|--rec*|--nu*). All other options specified are passed directly to grep. If no file is specified, then the standard input is decompressed if necessary and fed to grep. Otherwise the given files are uncompressed if necessary and fed to grep. If the GREP environment variable is set, zgrep uses it as the grep program to be invoked. EXIT CODE
2 - An option that is not supported was specified. AUTHOR
Charles Levert (charles@comm.polymtl.ca) SEE ALSO
grep(1), gzexe(1), gzip(1), zdiff(1), zforce(1), zmore(1), znew(1) ZGREP(1)
All times are GMT -4. The time now is 05:34 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy