Pipe #

Output logs both into a file and terminal #

When building using maven, specifying the --log-file flag or using > to redirect the output inhibits the output to terminal. As a workaround, use tee.

mvn install | tee log.txt

For another solution using less +F, also see this answer.

Xargs with placeholder #

Use -I{} flag and the curly braces which needs to be replaced. For example, in order to put the output from the last command between quotes, use the following command.

tail -n 20 | xargs jdnotify -m "{}"