Nov 12, 2012 · If you have a command which executes and doesn't return status 0(control of prompt) quickly. For example: command gedit launches the default editor gedit UI. commandeclipse launches eclipse IDE. Such commands keep throwing the logs of activities in the terminal and don't return the command prompt.

Dec 22, 2010 · See man set: in an "AND-OR list" it will ignore anything but the last command according to the manpage, so as I understand it, if you expect it to stop the entire script on the first failure in such a list, it will not.

Mar 1, 2011 · The file /tmp/mailtest is overwritten everytime this script is used. The location of sendmail may differ per system. When using this in a cron script, you have to use the absolute path for the sendmail command.

Mar 9, 2018 · If you are in a directory or folder where the script file is available then simply change the file permission in executable mode by doing. chmod +x your_filename.sh. After that you will run the script by using the following command. $ bash ./your_filename.sh. Above the "." represent the current directory.

Jun 10, 2023 · A and Bexecute a command, but C gives you more info and takes you to the original prompt again. This can be done using functions. Note that since the line containg function demoFunction is just setting up the function, you need to call demoFunction after that script so the function will actually run.

Sep 10, 2012 · Otherwise, the next time you run the script, you will copy files even if they have not changed. With the answers provided, use the mv command instead of cp. If the two directories are on different file systems (meaning you cannot use mv), add a rm command to remove the source file after the copy.

Dec 22, 2008 · $ npm install -g gnomon $ <your command> | gnomon --medium=1.0 --high=4.0 --ignore-blank --real-time=100 A command line utility, a bit like moreutils's ts, to prepend timestamp information to the standard output of another command. Useful for long-running processes where you'd like a historical record of what's taking so long.

For example, if command is built in to your shell, command -v command will indicate this with its output (through the non-existence of path), but which command will try to point to a file on your path, regardless of how command would be interpreted by your shell.

If I type a command foo at the command line, my shell will first see if there's an executable command /usr/local/bin/foo. If there is, it will execute /usr/local/bin/foo. If not, it will see if there's an executable command /usr/bin/foo and if not there, it will look to see if /bin/foo exists, etc. until it gets to /Users/david/bin/foo.

I'm writing a UNIX shell function that is going to execute a command that will prompt the user for a password. I want to hard-code the password into the script and provide it to the command. I've tried piping the password into the command like this: function() { echo "password" | command }