Re: [Help-bash] What is the usage of BASH_ARGV

[Chris F.A. Johnson]

On Sun, 14 Aug 2016, Peng Yu wrote:

> Hi, It is not quite clear what is the usage of BASH_ARGV according to
> bash manual.
>
> For example, I can not see how BASH_ARGV is useful (at least it does
> not affect "$@"). Does anybody know the real usage of BASH_ARGV?
>
> ~$ cat main.sh
> #!/usr/bin/env bash
> # vim: set noexpandtab tabstop=2:
>
> declare -p BASH_ARGV
> BASH_ARGV=(a b c)
> echo "$@"
> ~$ ./main.sh
> declare -a BASH_ARGV='()'
>
> ~/linux/test/bash/man/variable/BASH_ARGV/set$ ./main.sh

  I have used it to get the arguments in reverse order, viz.:

#!/bin/bash
printf '%s\n' "$@"
echo
printf '%s\n' "address@hidden"


--
Chris F.A. Johnson, <http://cfajohnson.com>