scala:tldr:454fd

The command "scala -e ${command}" is a command-line statement used for executing a Scala expression from the command line.

Here's a breakdown of the components in this command:

1. "scala": This is the Scala interpreter command that invokes the Scala interpreter.
2. "-e": This option specifies that the following argument is a Scala expression to be evaluated.
3. "${command}": This is a placeholder representing the actual Scala expression that you want to execute. You can replace "${command}" with your desired Scala expression.

When you run this command, the Scala interpreter (scala) will evaluate the Scala expression provided after the -e option and display the resulting output or outcome.

For example, if you have a Scala expression like "println("Hello, World!")", and you run the command "scala -e println("Hello, World!")", it will execute the expression and print "Hello, World!" as the output.