Sponsored Content
Top Forums Shell Programming and Scripting sed delete pattern skipping first n lines of file. Post 302270692 by Padow on Monday 22nd of December 2008 02:21:46 PM
Old 12-22-2008
you can use head to skip the first few lines.

For example, head +5 will skip the first 4 lines and start the output on the 5th line.
Padow
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

SED: match pattern & delete matched lines

Hi all, I have the following data in a file x.csv: > ,this is some text here > ,,,,,,,,,,,,,,,,2006/11/16,0.23 > ,,,,,,,,,,,,,,,,2006/12/16,0.88 < ,,,,,,,,,,,,,,,,this shouldnt be deleted I need to use SED to match anything with a > in the line and delete that line, can someone help... (7 Replies)
Discussion started by: not4google
7 Replies

2. Shell Programming and Scripting

Parsing a file using perl and skipping some lines

Hi, Consider following file with input: `YFLG:NC^Byad_insert constraint {id=600104470} {profile=GENDER == 2} {profile=BEHAVIOR == 17} {profile=SITEATTR_MULT == siteid:211051} {profile=AGE in } yad_insert ad {id=1718286093336959379} {type=R} ^AYFLG:YOO^Byad_insert constraint {id=600104471}... (1 Reply)
Discussion started by: bvids
1 Replies

3. Shell Programming and Scripting

delete lines in file matching a pattern

I have a text file, a sample of which is as follows: r/- * 0: WINDOWS/Microsoft.NET/Framework/v2.0.50727/ASP.NETWebAdminFiles/Images/headerGRADIENT_Tall.gif r/- * 0: WINDOWS/SoftwareDistribution/Download/cf8ec753e88561d2ddb53e183dc05c3e/backoff.jpg r/- * 0: ... (2 Replies)
Discussion started by: stumpyuk
2 Replies

4. Shell Programming and Scripting

how to delete lines from a file which starts with a specific pattern

I need to delete those lines from a file, which starts with 45. How to do it? (3 Replies)
Discussion started by: mady135
3 Replies

5. Shell Programming and Scripting

copy, then delete lines in file with sed using a pattern

I need to copy lines to a new file from files with sed using a pattern in char postions 1-3. Then after the copy, I need to delete those same lines from the input files. For example, string "ABC" in pos 1-3 (6 Replies)
Discussion started by: laksjfhoius9123
6 Replies

6. Shell Programming and Scripting

sed pattern to delete lines containing a pattern, except the first occurance

Hello sed gurus. I am using ksh on Sun and have a file created by concatenating several other files. All files contain header rows. I just need to keep the first occurrence and remove all other header rows. header for file 1111 2222 3333 header for file 1111 2222 3333 header for file... (8 Replies)
Discussion started by: gary_w
8 Replies

7. Shell Programming and Scripting

sed/awk : how to delete lines based on IP pattern ?

Hi, I would like to delete lines in /etc/hosts on few workstations, basically I want to delete all the lines for a list of machines like this : for HOST in $(cat stations.lst |uniq) do # echo -n "$HOST" if ping -c 1 $HOST > /dev/null 2>&1 then HOSTNAME_val=`rsh $HOST "sed... (3 Replies)
Discussion started by: albator1932
3 Replies

8. Shell Programming and Scripting

Sed delete blank lines upto first pattern match

Hi Im trying to do the following in sed. I want to delete any blank line at the start of a file until it matches a pattern and then stops. for example: Input output: I have got it to work within a range of two patterns with the following: sed '/1/,/pattern/{/^]*$/d}' The... (2 Replies)
Discussion started by: duonut
2 Replies

9. Shell Programming and Scripting

sed search pattern and delete lines

Hello, i have a question. My problem is that i have a file like: TEST JOHN ADAM MICHAEL SEBASTIAN ANDY i want find for MICHAEL and want delete lines like this: TEST (4 Replies)
Discussion started by: eightball
4 Replies

10. Shell Programming and Scripting

sed command to delete a pattern in a file

Hi Everyone, I have an unusual requirement. Here is where i am stuck for sometime now... I have this text file.. lets say .. output.sql... it has lot of entries... here below is part of the entry... .. . . . . . . . . . . . . . . . .... (3 Replies)
Discussion started by: vivek d r
3 Replies
fgrep(1)							   User Commands							  fgrep(1)

NAME
fgrep - search a file for a fixed-character string SYNOPSIS
/usr/bin/fgrep [-bchilnsvx] -e pattern_list [file...] /usr/bin/fgrep [-bchilnsvx] -f file [file...] /usr/bin/fgrep [-bchilnsvx] pattern [file...] /usr/xpg4/bin/fgrep [-bchilnqsvx] -e pattern_list [-f file] [file...] /usr/xpg4/bin/fgrep [-bchilnqsvx] [-e pattern_list] -f file [file...] /usr/xpg4/bin/fgrep [-bchilnqsvx] pattern [file...] DESCRIPTION
The fgrep (fast grep) utility searches files for a character string and prints all lines that contain that string. fgrep is different from grep(1) and from egrep(1) because it searches for a string, instead of searching for a pattern that matches an expression. fgrep uses a fast and compact algorithm. The characters $, *, [, ^, |, (, ), and are interpreted literally by fgrep, that is, fgrep does not recognize full regular expressions as does egrep. These characters have special meaning to the shell. Therefore, to be safe, enclose the entire string within single quotes (a'). If no files are specified, fgrep assumes standard input. Normally, each line that is found is copied to the standard output. The file name is printed before each line that is found if there is more than one input file. OPTIONS
The following options are supported for both /usr/bin/fgrep and /usr/xpg4/bin/fgrep: -b Precedes each line by the block number on which the line was found. This can be useful in locating block numbers by con- text. The first block is 0. -c Prints only a count of the lines that contain the pattern. -e pattern_list Searches for a string in pattern-list. This is useful when the string begins with a -. -f pattern-file Takes the list of patterns from pattern-file. -h Suppresses printing of files when searching multiple files. -i Ignores upper/lower case distinction during comparisons. -l Prints the names of files with matching lines once, separated by new-lines. Does not repeat the names of files when the pattern is found more than once. -n Precedes each line by its line number in the file. The first line is 1. -s Works silently, that is, displays nothing except error messages. This is useful for checking the error status. -v Prints all lines except those that contain the pattern. -x Prints only lines that are matched entirely. /usr/xpg4/bin/fgrep The following options are supported for /usr/xpg4/bin/fgrep only: -q Quiet. Does not write anything to the standard output, regardless of matching lines. Exits with zero status if an input line is selected. OPERANDS
The following operands are supported: file Specifies a path name of a file to be searched for the patterns. If no file operands are specified, the standard input will be used. /usr/bin/fgrep pattern Specifies a pattern to be used during the search for input. /usr/xpg4/bin/fgrep pattern Specifies one or more patterns to be used during the search for input. This operand is treated as if it were specified as -e pattern_list. USAGE
See largefile(5) for the description of the behavior of fgrep when encountering files greater than or equal to 2 Gbyte ( 2^31 bytes). ENVIRONMENT VARIABLES
See environ(5) for descriptions of the following environment variables that affect the execution of fgrep: LC_COLLATE, LC_CTYPE, LC_MES- SAGES, and NLSPATH. EXIT STATUS
The following exit values are returned: 0 If any matches are found 1 If no matches are found 2 For syntax errors or inaccessible files, even if matches were found. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: /usr/bin/fgrep +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ /usr/xpg4/bin/fgrep +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWxcu4 | +-----------------------------+-----------------------------+ |CSI |Enabled | +-----------------------------+-----------------------------+ SEE ALSO
ed(1), egrep(1), grep(1), sed(1), sh(1), attributes(5), environ(5), largefile(5), XPG4(5) NOTES
Ideally, there should be only one grep command, but there is not a single algorithm that spans a wide enough range of space-time tradeoffs. Lines are limited only by the size of the available virtual memory. /usr/xpg4/bin/fgrep The /usr/xpg4/bin/fgrep utility is identical to /usr/xpg4/bin/grep -F (see grep(1)). Portable applications should use /usr/xpg4/bin/grep -F. SunOS 5.11 24 Mar 2006 fgrep(1)
All times are GMT -4. The time now is 01:14 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy