GNU Rush – a restricted user shell (split by node):   Section:   Chapter:FastBack: Configuration File   Up: Modifying variables   FastForward: Default Configuration   Contents: Table of ContentsIndex: Concept Index

4.4.3.5 The delete statement

Another statement modifying the command line is delete:

rule: delete n

Delete nth argument.

rule: delete i j

Delete positional parameters between ‘$i’ and ‘$j’, inclusive.

Neither form can be used to delete the program name (‘$0’).

For example, the following statement deletes all arguments from the command line, except for the program name: 

delete 1 -1

To delete a single argument, unset can also be used. The following statements have the same effect: 

delete 2
unset 2

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