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hpr2756 :: Bash Tips - 20

Deleting arrays; positional and special parameters in Bash

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Hosted by Dave Morriss on 2019-02-25 is flagged as Explicit and is released under a CC-BY-SA license.
Tags: Bash,array,delete,positional parameters.
Listen in ogg, spx, or mp3 format. | Comments (0)

Part of the series: Bash Scripting

This is an open series in which Hacker Public Radio Listeners can share their Bash scripting knowledge and experience with the community. General programming topics and Bash commands are explored along with some tutorials for the complete novice.

Tidying loose ends (Some collateral Bash tips)

Deleting arrays

I forgot to cover one thing on my list when doing the last show: I forgot to explain how to delete arrays and array elements. I’ll cover that topic in this episode.

Positional and Special parameters

I have also avoided talking much about the positional and special parameters in Bash: '$1', '$2', '$#' and the rest. I will cover (some of) these in this episode.

Silly titles

I stopped doing the weird episode titles by episode 14 because I thought the joke was getting tired. However, I think a few people missed them (and a certain HPR colleague was found vandalising my new titles as they were being posted ;-), so I have added them inside the notes on the older shows and am adding one here – as a homage to silliness.

Long notes

I have provided detailed notes as usual for this episode, and these can be viewed here.


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