On 1998/08/04, Manoj Srivastava wrote:
> Raul> Manoj Srivastava <[EMAIL PROTECTED]> wrote:
> >> Well, if $@ is empty, "$@" expands to "";
^^^^^^^^^^^^^
>
> Raul> Is this mandated by the posix standard? If so, this is an example of
> Raul> how debian's current /bin/sh is not posix. If not, then this is
> Raul> just plain bogus.
>
> Oh, bosh. Pardon me, but in this case you do not know what you
> are talking about. *Of Course* it is mandated by POSIX, and has been
> implemented by ever darned ash/ksh/zsh/bash since the dawn of the
> epoch. I fail to see how you could have come across different
> behaviour, but then, there may be shells badly broken out
> there. Thank the lord for Bash.
info '(bash)Special Parameters'
`@'
Expands to the positional parameters, starting from one. When the
expansion occurs within double quotes, each parameter expands as a
separate word. That is, `"$@"' is equivalent to `"$1" "$2" ...'.
When there are no positional parameters, `"$@"' and `$@' expand to
^^^^^^^^^
nothing (i.e., they are removed).
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
(emphasis mine)
Greetings,
Ruud de Rooij.
--
Ruud de Rooij
[EMAIL PROTECTED]
http://sepc.twi.tudelft.nl/~derooij/
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