You mean writing to a file using a shell script? Here are a few ways: touch file This method will simply create a file, but if the file already exists, it simply changes the modification date to the time you used that command. echo "text" > file That method overwrites the contents of file to text. If you wanted to clear a file, you can simply ...

Trying to create a bash script that opens gnome-terminal, and then runs ls to display the contents of a directory, but it just opens gnome-terminal. I will be creating some other scripts that also use multiple commands. My script: #!/bin/bash gnome-terminal ls -a /examplefolder EDIT: To clarify what I'm trying to achieve.

Aug 27, 2011 · To set an environment variable from a script, use the export command in the script, and then source the script. If you execute the script it will not work. For an explanation of the difference between sourcing and executing see this answer: What is the difference between executing a Bash script vs sourcing it?

Im trying to make a shortcut to login my ssh server: ssh x.x.x.x I made the following file: ssh_home.sh Made it executable: sudo chmod +x ./ssh_home Checked by right clicking properties to check...

I'm creating a simple bash script and I want to create a select menu in it, like this: $./script echo "Choose your option:" 1) Option 1 2) Option 2 3) Option 3 4) Quit And according to user's choice, I want different actions to be executed.

Aug 15, 2019 · Then we confirm the script called file_command.txt is correct. Lastly we run the script by calling bash and passing it the script name. The bashcommand is actually store as /bin/bash and it is an executable on all Ubuntu systems. Creating a file of commands saves you from adding the shebang #!/bin/bash as the first line in a script.

All of the bash completions are stored in /etc/bash_completion.d/. So if you're building software with bash_completion it would be worthwhile to have the deb/make install drop a file with the name of the software in that directory. Here's an example bash completion script for Rsync:

Jul 14, 2013 · I think it is superior to use a here doc to create a new file in a script. It is cleaner looking, which I believe encourages readability. For example: cat > filename <<- "EOF" file contents more contents EOF The "-" in <<-is optional, allowing for tabbed indents which will be stripped when the file is created.

You can force bash to execute your script as an interactive shell with the -i flag. This will tell your .bashrc file to define aliases and other functions. Example: ~ $ grep ll .bashrc alias ll='ls -lah' ~ $ cat script.sh #!/bin/sh ll ~ $ bash script.sh script.sh: line 3: ll: command not found ~ $ bash -i script.sh ..directory contents.. More info:

Feb 25, 2014 · That way, all commands within the script will be run with root privileges and you only need to give the password once when launching the script. If you need a particular command within the script to be run without sudo privileges, you can run it as a regular user with (thanks Lie Ryan): sudo -u username command