Venu, as always, there are several ways to solve a problem.
This is one of them using part of your solution:
Note there are four dots inside of single quote.
Gentle Unix users,
Can someone tell me how I can use a combination of the cat and grep command to display records that are in FileA but missing in FileB.
cat FileA one line at a time and grep to see if it is in fileB. If it is ignore.
If line is not in fileB display the line.
Thanks in... (4 Replies)
Hi All,
I've got a script to output YAML data, and I want to display data that's held inside variables inside one large CAT area. What's the easiest way to do this?
cat << "END"
---
classes:
- general_image
- $intro #Variable 1
- $mid #Variable 2
... (2 Replies)
I have results from some statistical analyses.
The format of the results are as given below:
I want to select lines that have a p-value (last column) less than 0.05 from all the results files (*.results) and cat to a new results file.
It would be very nice if a new column is added that tells... (2 Replies)
I have a script to do a couple simple but repetitive commands on files that are provided to us. One of the things is to get rid of the line feeds. This is the section that is causing problems, i even cut this section into its own file to make sure nothing else was affecting it.
#!/usr/bin/bash... (4 Replies)
Hi Forum.
I tried to search the forum for an answer but couldn't find it.
I have the following files in my directory:
PROFILE_TXN_61647.dat
PROFILE_TXN_61648.dat
PROFILE_TXN_61649.dat
PROFILE_TXN_61650.dat
PROFILE_TXN_61651.dat
PROFILE_TXN_61652.dat
PROFILE_TXN_61653.dat... (8 Replies)
I have a list of columns with values that I need to transform into a row containing the range of each column. For example:
"Column A"
1
2
3
4
10
12
14
15
16
17
18
"Column B"
1
4
5
6 (4 Replies)
Dear All,
I am stacked and I ask for your help.
Briefly, I have two files, one like this one (file1):
1 101 5
1 102 6
1 103 2
1 104 9
1 105 10
2 301 89
2 302 4
2 303 13
2 304 34
2 305 1
and the other like this one (file2):
1 103
2 303well, what I am trying to do is obtain a... (2 Replies)
Gents,
It is possible to generate a range of values according to column 1 and count the total of rows in the range.
example
input
15.3
15.5
15.8
15.9
16.0
16.1
16.8
17.0
17.5
18.0
output desired
15.0 - 15.9 = 4 (10 Replies)
My script reads all the log files in a directory, the user would enter a range and the script would only display the files within those range. Here's my code:
#!/bin/bash
LOG_FILES=("Sandbox/logs/*")
for file in ${LOG_FILES}; do echo $file; done
-------------
for i in $(seq $1 $2); do... (1 Reply)
Discussion started by: Loc
1 Replies
LEARN ABOUT CENTOS
cat
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)