What command means "do nothing" in a conditional in Bash?

What command means "do nothing" in a conditional in Bash?

bash conditional noop

bash

How do I negate a test with regular expressions in a bash script?

regex bash conditional negate

bash

How do I use regular expressions in bash scripts?

regex bash conditional

bash

conditional redirection in bash

bash conditional io-redirection

bash

How to check that a file has more than 1 line in a BASH conditional?

bash conditional

bash

Command inside if statement of bash script [duplicate]

bash if-statement conditional syntax-error

bash

How to use logical not operator in complex conditional expression in Bash? [duplicate]

bash conditional logical-operators

bash

Bash: usage of `true`

bash if-statement conditional

bash

How to do complex conditionals in bash? (mix of 'and' &&, 'or' || ...)

bash syntax conditional

bash

How to use bash return code in conditional?

bash shell conditional return-value

bash

Bash "not": inverting the exit status of a command

bash conditional

bash