How to use “cat” command on “find” command’s output?
I want to redirect the output of the find command to cat command so I can print the data of the given file.
cat
get first X characters from the cat command?
I have a text file I’m outputting to a variable in my shell script. I only need the first 50 characters however.
Why does the less-than sign not work as a replacement for cat in bash?
I heard about “useless use of cat” and found some suggestions, but the following outputs nothing in my bash shell.
Make program first read from pipe, then from keyboard
Consider the interactive program interactive. I have to run this program fairly frequently, and each time I run it the first few commands are the same. Obviously, having to type those commands over and over again is a pain. I have collected those command (separated by newlines) in the file cmd. Now I can do cat cmd | interactive to run the commands. The problem is that once cmd has been fully read, interactive recieves EOF and exits.
Read log file between two dates
I have to read log file between and my question is how to get only the text in the file wich is between two dates using unix commands?
Every line contain date and I want to get the text in the file which dates are equal or bigger that the FROM date and lower or equal than the TO date.
The format of the date is 13/05/23 01:58.
The second date is for an example 13/05/13 07:50.
Example
What is the difference in using Ctrl+D and Ctrl+C to terminate cat command?
I have the following two test files:
Performance difference between stdin and command line argument
For some commands, it is possible to specify certain input as either stdin or a command line argument.
What is the difference between > and >> (especially as it relates to use with the cat program)?
Suppose that I have a file called temp.txt. Using the cat program, I would like to add the contents of this file to the end of myfile.txt — creating myfile.txt if it does not exist and appending to it if it does. I am considering these possibilities: cat temp.txt > myfile.txt or cat temp.txt >> … Read more