I have a file containing two fields, Name and Time, with about 57 lines in this file. I am struggling to create a loop that will cut out the first ten lines of this file and echo it to the screen. Can anybody help me please. (1 Reply)
hey guys, need ur expert help. m a core banker got stuck in someting techie and cant find a solution
have manged to extract a file from oracle apps in a format that looks something like this...
REC- A b c d x
INV- A b... (6 Replies)
Help...please.
I have a log that contains
Warning Authentication Failed: User GHDT88998HS doesn't exit: The User GHDT88998HS could not be found Mar 22, 2008 5:22:22AM com.hometel.ttm.auth.userlogin.
about maybe a thousand entries failed user acct message
How can I grab just the username... (2 Replies)
Hi everybody,
I need an urgent help with a BASH script. I have file which contains (besides the other data) the lines with the following structure identified by with keyword PCList:
<PARAMETER NAME="PCList"
TYPE="LIST_STRUCTURE"
MODEL="{,}"
... (1 Reply)
Hello everyone,
I am trying to manipulate a large .csv file where I have output similar to the following -
http://imgur.com/TEXD8.png
The result that I am looking for would be to consolidate the first column, but combine the second and third column so it still relates to the first. I... (8 Replies)
Hi,
I need a shell/command to achieve this task.
I've a delimited unloaded file from oracle in a scrambled format as shown below with many blank lines in it, I'm just trying to tailor it in a format that would be compatible to view and load it to a IDS db.
Here is the problem
... (1 Reply)
Hi
I have a file content.txt where I want to replace the value of second column of the file with half of the value of that column.
I only have to replace if the second column starts with COM_, rest all values have to be same
eg,
cat content.txt
|COM_A|123|JHV|8475
|ABC|2765|BV|876... (7 Replies)
Discussion started by: infyanurag
7 Replies
LEARN ABOUT PLAN9
tac
TAC(1) User Commands TAC(1)NAME
tac - concatenate and print files in reverse
SYNOPSIS
tac [OPTION]... [FILE]...
DESCRIPTION
Write each FILE to standard output, last line first.
With no FILE, or when FILE is -, read standard input.
Mandatory arguments to long options are mandatory for short options too.
-b, --before
attach the separator before instead of after
-r, --regex
interpret the separator as a regular expression
-s, --separator=STRING
use STRING as the separator instead of newline
--help display this help and exit
--version
output version information and exit
AUTHOR
Written by Jay Lepreau and David MacKenzie.
REPORTING BUGS
GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
Report tac 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 rev(1)
Full documentation at: <http://www.gnu.org/software/coreutils/tac>
or available locally via: info '(coreutils) tac invocation'
GNU coreutils 8.28 January 2018 TAC(1)