Hi,
I have a data file with following structure:
a|b|c|d|3|f1|f2|f3
a|b|c|d|5|f1|f2|f3|f4|f5
I want to change this data to:
a|b|c|d|3|f1;f2;f3
a|b|c|d|5|f1;f2;f3;f4;f5
Data in column 5 tells the number of following fields. All fields delimiter after the 5th column needs to be... (6 Replies)
Hi everyone,
I am attempting to do something that should be very simple. How do I replace a specific line of a file with different text, and then save that file to its original name? I believe I want to use the sed command with the c option, but I after trying many times, I can't get the right... (10 Replies)
Hi
Very much a newbie to UNIX & scripting, but have identified an area within work that would benefit from being automated, as its repeated manually very often, and it looks like the ideal first script!
What I need to do is change directory to a users home (cd ~), and then find and remove a... (6 Replies)
GNU sed version 4.1.4 on Windows XP SP3 from GnuWin32
I think that I've come across a seemingly simple text file change problem on a INI formatted file that I can't do with SED without side effects edge cases biting me. I've tried to think of various ways of doing this elegantly and quickly... (5 Replies)
Hello
My problem is that I want to change some specific numbers in a file. It is like,
2009 10 3 2349 21.3 L 40.719 27.388 10.8 FRO 7 0.8 1.1LFRO 2.6CFRO 1.1LMAM1
GAP=157 1.69 5.7 5.9 5.8 0.5405E+01 0.4455E+00 0.1653E+02E
STAT SP IPHASW D HRMM SECON CODA AMPLIT... (11 Replies)
Dear All,
New to Linux/Unix OS, my Linux version is 2010 x86_64 x86_64 x86_64 GNU/Linux
As titled, I wonder if you can help to provide a solution to find and change an specific string in a file
The file include a lots of data in following configuration but might be various in... (3 Replies)
Hello All,
can someone please suggest me a one line command to change a specific value that is associated to an entry in the file.
for example
#more schedulefile
quartz.job.manual.bonus.schedule=0 0 9 ? * *
#
it should be changed to
#more schedulefile... (5 Replies)
hi Guys,
this is my requirement, there is a huge xml file of this i have to change 3 lines with out opening the file
/users/oracle > cat lnxdb-pts-454.xml|egrep "s_virtual|s_cluster|s_dlsnstatus"
<cluster_port oa_var="s_clusterServicePort">9998</cluster_port>
<host... (2 Replies)
Goodmorning,
I know how to cut a string and a column, and how to find a word.
I have a file with over 100 columns. All columns have a title in the first line. I have to delete all columns with the XXX title.
I can't use cut -f because the position of XXX columns change in each file, and in... (14 Replies)
I am trying to use awk to change a specific string in a field, if it is found, to another value. In the tab-delimited file the text in bold in $3 contains the string 23, which is always right before a ., if it is present.
I am trying to change that string to X, keeping the formatting and the... (3 Replies)
Discussion started by: cmccabe
3 Replies
LEARN ABOUT REDHAT
head
HEAD(1) FSF HEAD(1)NAME
head - output the first part of files
SYNOPSIS
head [OPTION]... [FILE]...
DESCRIPTION
Print first 10 lines of each FILE to standard output. With more than one FILE, precede each with a header giving the file name. With no
FILE, or when FILE is -, read standard input.
Mandatory arguments to long options are mandatory for short options too.
-c, --bytes=SIZE
print first SIZE bytes
-n, --lines=NUMBER
print first NUMBER lines instead of first 10
-q, --quiet, --silent
never print headers giving file names
-v, --verbose
always print headers giving file names
--help display this help and exit
--version
output version information and exit
SIZE may have a multiplier suffix: b for 512, k for 1K, m for 1 Meg.
AUTHOR
Written by David MacKenzie.
REPORTING BUGS
Report bugs to <bug-coreutils@gnu.org>.
COPYRIGHT
Copyright (C) 2002 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
LAR PURPOSE.
SEE ALSO
The full documentation for head is maintained as a Texinfo manual. If the info and head programs are properly installed at your site, the
command
info head
should give you access to the complete manual.
head (coreutils) 4.5.3 February 2003 HEAD(1)