01-28-2009
"tac" is not available on HP UX
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hi,
I need to append string "Hi" to the beginning of the lines containing some specific string. How can I achieve that?
Please help.
Malay (1 Reply)
Discussion started by: malaymaru
1 Replies
2. Shell Programming and Scripting
Hello!
I need to delete one line in a file which matches one very precise instance of a string only. When searching the forum I unfortunately only found a solution which would delete each line on which a particular string occurs.
Let's assume I have a file composed of thousands of lines... (4 Replies)
Discussion started by: Black Sun
4 Replies
3. Shell Programming and Scripting
Hi
I'm trying to search for the last instance of the word 'cache' in a HTML file that I have downloaded from YouTube.
I'm using the following syntax, but an error is thrown when I try it.
grep -f "cache"
Also I wish to append the above grep command to the below so that the search for cache... (3 Replies)
Discussion started by: colmbell
3 Replies
4. Shell Programming and Scripting
Hi Guys,
I am trying to write a perl script to search a string "Name" in the file "FILE" and also want to create a new file and push the searched string Name line along with 10 lines following the same.
can anyone of you please let me know how to go about it ? (8 Replies)
Discussion started by: sukrish
8 Replies
5. Shell Programming and Scripting
I need to be able to search for a beginning line header, then use grep or something else to get the very next instance of a particular string, which will ALWAYS be in "Line5". What I have is some data that appears like this:
Line1
Line2
Line3
Line4
Line5
Line6
Line7
Line1
Line2
...... (4 Replies)
Discussion started by: Akilleez
4 Replies
6. Shell Programming and Scripting
I am having a text file which is having more than 200 lines.
EX:
001010122 12000 BIB 12000 11200 1200003
001010122 2000 AND 12000 11200 1200003
001010122 12000 KVB 12000 11200 1200003
In the above file i want to search for string KVB and add/replace... (1 Reply)
Discussion started by: suryanarayana
1 Replies
7. Shell Programming and Scripting
Dear All
I am having a text file which is having more than 200 lines.
EX:
001010122 12000 BIB 12000 11200 1200003
001010122 2000 AND 12000 11200 1200003
001010122 12000 KVB 12000 11200 1200003
In the above file i want to search for string KVB... (5 Replies)
Discussion started by: suryanarayana
5 Replies
8. Shell Programming and Scripting
Hi,
I want to do a sed (linux) or the alternative in PHP to insert a backslash in front of every occurrence of every forward slash
ex.
/archive/data/stanley
-->
\/archive\/data\/stanley
I appreciate it! (4 Replies)
Discussion started by: deadyetagain
4 Replies
9. Shell Programming and Scripting
Hi,
Need your help for this scripting issue I have. I am not really good at this, so seeking your help.
I have a file looking similar to this:
Hello, i am human and name=ABCD.
How are you?
Hello, i am human and name=PQRS.
I am good.
Hello, i am human and name=ABCD.
Good bye.
Hello, i... (12 Replies)
Discussion started by: royzlife
12 Replies
10. UNIX for Beginners Questions & Answers
I want to search a small string in a large string and find the locations of the string. For this I used grep "string" -ob <file name where the large string is stored>. Now this gives me the locations of that string. Now how do I store these locations in a text file.
Please use CODE tags as... (7 Replies)
Discussion started by: ANKIT ROY
7 Replies
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)