Redirect STDOUT Write File
STDOUT goes to the terminal window of the CLI.
Bash provides a collection of
STDOUT redirection operators that give the user the ability to redirect
STDOUT from the terminal window to a different location.
As a base example consider:
The results of this command are placed in
STDOUT and by default
STDOUT is directed to the CLI terminal window like so:
This default behavior can be changed by using one of the
STDOUT redirection operators.
STDOUT Redirect Write to File
STDOUT can be redirected to a file with the
> redirection operator.
The syntax for the
> redirection operator would be
[bash command] > file.txt.
Give it a try:
ls /home/student/ > home-contents.txt
Upon entering this command any
STDOUT text will not display in the terminal window, but instead be written into the
It comes as no surprise that no
STDOUT message was printed to the terminal window. The contents of
STDOUT should have been written to the file
Print the contents of the working directory and print the contents of the
STDOUT redirection write operator a new file was created and it’s contents are set to what was in
STDOUT redirection write operator will overwrite any contents that exist in the file provided. For example the contents of
home-contents.txt would be overwritten by rerunning the command, but changing the argument of the
ls /home/student/Desktop > home-contents.txt
The contents of the file no longer contains the contents of the home directory, but instead of the Desktop directory inside of the home directory. Which in this case is empty!