Good evening to you all perl experts
I need your help
I have a very simple script where I´m trying to print a line from status.dat file.
The script will find the line containing "servicestatus", and I want to print the content of the next line.
For example, the file contains this text:... (6 Replies)
How to edit file content at the specific line? For example at below
The things to edit --> This is line 2. And it is below line 1.
This is line 1.
This is line 2. # i want to append some words at this row line. How?
This is line 3. (8 Replies)
Hi,
I am trying to print a specific line in a file through sed or awk. The line number will be passed as a parameter from the previous step. My code looks as below.
TEMP3=`sed -n '$TEMP2p' $FILEPATH/Log.txt`
$TEMP2, I am getting from the previous step which is a numerical value(eg:3).
... (2 Replies)
Hi,
I have urls in my input file like this
http://unix.com/abc/def
http://unix.com/kil/min
I want to use the / as separator and print the last content as another column like this
http://unix.com/abc/def def
http://unix.com/kil/min min
I was using awk -F option and then joining the... (3 Replies)
Hi,
I have a file which contains 2,500,500,432 lines.
Can I know what command I should type in order just print out particular line from the input file?
eg. I just wanna to see what is the contents at line 522,484,612.
Thanks for advice. (3 Replies)
Hi Everyone,
Is there a way I can print specific lines using sed -n '3,3p' file.dat or awk 'FNR==3' file.dat when using variable?
For example, I have this script (get_line.ksh) that accepts line parameter that a user wanted to print in the file.dat.
file.dat
one
two
three
four
... (1 Reply)
Input file :
AAAG TC
AACCCT AACCCT AACCCT AACCCT
TCTG TCTG TCTG AC AC TCTG TCTG AC AC AC
AC AC
AGTG AC
AGTG TCC
Desired output file :
AACCCT AACCCT AACCCT AACCCT
AC AC
I would like to print out the line that share exactly same as the first column data content.
Column one data... (4 Replies)
In the file below I am trying to extract a specific instance of path, if the adjacent plugin": "/rundb/api/v1/plugin/49/. Thank you :).
file
"path": "/results/analysis/output/Home/Auto_user_S5-00580-4-Medexome_65_028/plugin_out/FileExporter_out.52", "plugin": "/rundb/api/v1/plugin/49/",... (8 Replies)
Hi,
I have urls in my input file like this (1 Reply)
Discussion started by: tmonk1
1 Replies
LEARN ABOUT REDHAT
tac
TAC(1) FSF 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
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 tac is maintained as a Texinfo manual. If the info and tac programs are properly installed at your site, the
command
info tac
should give you access to the complete manual.
tac (coreutils) 4.5.3 February 2003 TAC(1)