cat is not a command for creating files. cat is a method for concatenating files. (see man cat.) It creates files the same way as any command capable of producing any output whatsoever -- shell redirection allows you to put its output into a file.
touch on the other hand is a command for creating new files(and updating their timestamps).
Hi everybody in the forum,
I want to create an empty file of say some 1MB ,i mean at the command line itself.How is this possible??????EEK! (4 Replies)
hey, I'm trying to create the command that will create a file named user.txt that contains the output of the command cut -d: -f1,5 /etc/passwd, and displays itself afterwards.
I don't know how to bridge cat > user.txt with cut -d: -f1,5 /etc/passwd, or how display it afterwards. Any help would... (2 Replies)
Hello,
So I sorted my file as I was supposed to:
sort -n -r -k 2 -k 1 file1 | uniq > file2
and when I wrote
> cat file2
in the command line, I got what I was expecting, but in the script itself
...
sort -n -r -k 2 -k 1 averages | uniq > temp
cat file2
It wrote a whole... (21 Replies)
Hi,
I am using Cygwin.I created a new file and type into it using cat > newfile. When I open this using vi editor, it contains loads of extra control characters.
Whats happening? (1 Reply)
Hi,
While editing a small text file with cat command i pressed ctrl-d to send eof, instead of coming out of cat command it echoed ^D to the screen. Same thing is happening to ctrl-c. After googling i found this is because of trap.
The problem is i m stuck in editing mode and cannot get the... (3 Replies)
Hello...
Is it possible that we can change the format of the values we entered in a text file using cat?
Like for example, I will create a text file names.txt using cat and as I save the names and view the text file... the format will be like this
... (5 Replies)
Hello All,
I have a bash script and in it at some point I call an Expect Script that does some stuff and saves its
output in a ".txt" file.
Example "/path/to/my/file/Expect_Output.txt" file: notice the 2nd line is empty in the file...
Data for Host-1 (192.168.1.110)
Checking the... (2 Replies)
I use the cat command to concatenate text files, but one of the rows I was expecting doesn't display in the output file. Is there a verbose mode\logging mechanism for the cat command to help me investigate where the lines I was expecting are going??
cat 7760-001_1_*_06_*.txt | grep -v... (1 Reply)
Hi,
Recently I got a .txt file from Mac user. when I try to open it in my Ubuntu machine using cat command it is not displaying any content of file however I can see the content using vi.
Anyone know How to see its content using cat as I have to process it in my shell script.
Thanks in... (4 Replies)
Hi All,
I am having command to run which will take argument as input file. Right now we are creating the input file by cat and executing the command
ftptransfer -i input file
cat >input file
file1
file2
cntrl +d
Is there a way I can do that in a single command like
... (1 Reply)
Discussion started by: arunkumar_mca
1 Replies
LEARN ABOUT DEBIAN
colors
COLORS(3) libbash colors Library Manual COLORS(3)NAME
colors -- libbash library for setting tty colors.
SYNOPSIS
colorSet <color>
colorReset
colorPrint [<indent>] <color> <text>
colorPrintN [<indent>] <color> <text>
DESCRIPTION
General
colors is a collection of functions that make it very easy to put colored text on tty.
The function list:
colorSet Sets the color of the prints to the tty to COLOR
colorReset Resets current tty color back to normal
colorPrint Prints TEXT in the color COLOR indented by INDENT (without adding a newline)
colorPrintN The same as colorPrint, but trailing newline is added
Detailed interface description follows.
Available colors:
Green
Red
Yellow
White
The color parameter is non-case-sensitive (i.e. RED, red, ReD, and all the other forms are valid and are the same as Red).
FUNCTIONS DESCRIPTIONS
colorSet <color>
Sets the current printing color to color.
colorReset
Resets current tty color back to normal.
colorPrint [<indent>] <color>
Prints text using the color color indented by indent (without adding a newline).
Parameters:
<indent>
The column to move to before start printing. This parameter is optional. If ommitted - start output from current cursor position.
<color>
The color to use.
<color>
The text to print.
colorPrintN [<indent>] <color>
The same as colorPrint, except a trailing newline is added.
EXAMPLES
Printing a green 'Hello World' with a newline:
Using colorSet:
$ colorSet green
$ echo 'Hello World'
$ colorReset
Using colorPrint:
$ colorPrint 'Hello World'; echo
Using colorPrintN:
$ colorPrintN 'Hello World'
AUTHORS
Hai Zaar <haizaar@haizaar.com>
Gil Ran <gil@ran4.net>
SEE ALSO ldbash(1), libbash(1)Linux Epoch Linux