argon2:tldr:e0f7c

This command performs the following actions:

1. echo "${password}": This selects the value of the ${password} variable and passes it as input to the next command using the pipe (|) symbol. The echo command is used to display text or variable values in the terminal.

2. argon2 "${salt_text}": This command uses the argon2 program to hash the provided password with an additional salt value. It takes the ${salt_text} as an argument to provide the salt for the hashing algorithm.

3. - ${select}: This part of the command specifies an option for the argon2 command. The ${select} variable is expected to contain a specific option value (e.g., d, i, id, t, etc.). The specific functionality represented by ${select} may depend on the version and implementation of the argon2 program.

Overall, this command takes the ${password} variable and provides it as input to the argon2 program along with the ${salt_text} value and the specified option ${select}. The output of the command will be the result of the password hashing process performed by the argon2 program.