Re: [Gnu-arch-users] bash scripting conditionals: "-a" vs "-e"

[John A Meinel]

Zenaan Harkness wrote:
> Matthias, can you confirm if this is a doco bug?

Well, both cygwin, redhat AS3 and redhat 9 only have -a as the && 
operator. They don't have the entry like you see for '-a file'.

John
=:->

[...]

> Well that seems to be the functionality, but the docs tell otherwise,
> both info and man include the following:
>
> ...
>        -a file
>               True if file exists.
>        -b file
>               True if file exists and is a block special file.
>        -c file
>               True if file exists and is a character special file.
>        -d file
>               True if file exists and is a directory.
>        -e file
>               True if file exists.
>        -f file
>               True if file exists and is a regular file.
> ...
>
> Of course, they both also include documentation about -a being &&. My
> suspicion is that -a might be unary-file-test (can't add ! to negate the
> condition for example)?? but I haven't tested this... it could just be a
> doco bug.

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