> "Bob" == Bob Proulx writes:
Bob> [...] Let me suggest that something similar to the following
Bob> addition would help here.
Bob> is unset or null; omitting the colon (':') results in a
Bob> test only for a parameter that is unset.
Bob> Then searches on ":" would a
Martin Schwenke wrote:
> Paul Jarc writes:
> > It's documented, but it's easy to miss. Just before the
> > list of parameter expansion forms is this paragraph:
> >
> >In each of the cases below, word is subject to tilde
> >expansion, parameter expansion, command substitution,
> >
> "Paul" == Paul Jarc writes:
Paul> "Martin Schwenke" wrote:
>> Neither bash.info or bash(1) documents parameter expansion of
>> the form:
>>
>> ${parameter+word}
Paul> It's documented, but it's easy to miss. Just before the
Paul> list of parameter expansion f
Martin Schwenke wrote:
> I'm running bash 3.2.39(1)-release (under Ubuntu 8.04 (Hardy)
> GNU/Linux). Neither bash.info or bash(1) documents parameter
> expansion of the form:
>
> ${parameter+word}
>
> This is different to ${parameter:+word}, is clearly implemented by
> bash and is documented i
"Martin Schwenke" wrote:
> Neither bash.info or bash(1) documents parameter expansion of the
> form:
>
> ${parameter+word}
It's documented, but it's easy to miss. Just before the list of
parameter expansion forms is this paragraph:
In each of the cases below, word is subject to tilde e
I'm running bash 3.2.39(1)-release (under Ubuntu 8.04 (Hardy)
GNU/Linux). Neither bash.info or bash(1) documents parameter
expansion of the form:
${parameter+word}
This is different to ${parameter:+word}, is clearly implemented by
bash and is documented in the standard (The Open Group Base
Spe