06-28-2008
10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
Hi,
If I want to have a look at few lines of the file, how do I, what command to use.
Eg: If I have a file having length 2000 lines and I want to have a look at the content between 1400 and 1600, How do I look at it ?
Also, If I want to have a look at function alone in a file, how do I go... (4 Replies)
Discussion started by: sharuvman
4 Replies
2. UNIX for Dummies Questions & Answers
This is truly dummy question.
I have a text file of 100 lines.
What unix commnad to extract line 20 to 40 and output it to another file?
Is it something cat or grep or >> ?
Thanks (6 Replies)
Discussion started by: champion
6 Replies
3. Shell Programming and Scripting
Hi,
I am using the Korn shell script to display lines of the file. For example below:
outputfile=test.dat
-- display each line of the test.dat file
abcd 345
adek 45566
dve3 34565
so on...
I appreciate your time to find a command for displaying lines of the file on the log.
... (2 Replies)
Discussion started by: sbryant
2 Replies
4. Shell Programming and Scripting
I have to grep on a few words in a file and then display the line containing those words and the line above it.
For ex -
File1.txt contains...
abc xyz abc
This is a test
Test successful
abc xyz abc
Just a test
Test successful
I find the words 'Test successful' in the file... (6 Replies)
Discussion started by: user7617
6 Replies
5. Shell Programming and Scripting
Hi!
I'm trying to create a shell script to parse a file which might have multiple lines matching a pattern (i.e. containing some word).
I need to return all lines matching the pattern, but stripping the contents of that line until the pattern is matched
For example, if my input file was
... (4 Replies)
Discussion started by: orno
4 Replies
6. UNIX for Dummies Questions & Answers
how do i Display only the first two characters of all the lines from a file.? (1 Reply)
Discussion started by: ritusubash
1 Replies
7. UNIX Desktop Questions & Answers
a. How do I display the content of the file containing what Ive merged using a filter which would display only the lines of the file which don't contain number, for example 3 or 6. (3 Replies)
Discussion started by: herberwz
3 Replies
8. UNIX for Dummies Questions & Answers
I have a bunch of files in various folders. I want to go through each of them and display certain lines in a particular format
All files have a similar format
Date:
Time:
User:
Message:
Miscellaneous:
(and some other stuff)I want to display to only the "Date:", "Time:" "User:" lines in... (7 Replies)
Discussion started by: newbiegal01
7 Replies
9. Shell Programming and Scripting
Hell,
I want to grep certain word from file and display above 2 lines and after two lines.
Here is the content of sample file.
Mar 14, 2013 12:56:59 AM Agent.Agent SendTo
INFO: Connection to server:7041 - Credential Transmit Successesful
Mar 14, 2013 8:54:21 AM cgent SendTo
WARNING:... (7 Replies)
Discussion started by: balareddy
7 Replies
10. Shell Programming and Scripting
Hi Guys,
I want to echo last 5 lines of a file to a mail. My script getting continuously looped and not getting the output. can anyone help?
#!/bin/bash
read karthick;
tail -5 $karthick;
echo $karthick | mail -s "genius" someone@gmail.com
Thanks
NK (2 Replies)
Discussion started by: Karthick N
2 Replies
CAT(1) User Commands CAT(1)
NAME
cat - concatenate files and print on the standard output
SYNOPSIS
cat [OPTION]... [FILE]...
DESCRIPTION
Concatenate FILE(s), or standard input, to standard output.
-A, --show-all
equivalent to -vET
-b, --number-nonblank
number nonempty output lines, overrides -n
-e equivalent to -vE
-E, --show-ends
display $ at end of each line
-n, --number
number all output lines
-s, --squeeze-blank
suppress repeated empty output lines
-t equivalent to -vT
-T, --show-tabs
display TAB characters as ^I
-u (ignored)
-v, --show-nonprinting
use ^ and M- notation, except for LFD and TAB
--help display this help and exit
--version
output version information and exit
With no FILE, or when FILE is -, read standard input.
EXAMPLES
cat f - g
Output f's contents, then standard input, then g's contents.
cat Copy standard input to standard output.
GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report cat translation bugs to <http://translationproject.org/team/>
AUTHOR
Written by Torbjorn Granlund and Richard M. Stallman.
COPYRIGHT
Copyright (C) 2013 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
tac(1)
The full documentation for cat is maintained as a Texinfo manual. If the info and cat programs are properly installed at your site, the
command
info coreutils 'cat invocation'
should give you access to the complete manual.
GNU coreutils 8.22 June 2014 CAT(1)