Re: About a shell syntax
Dan Hipschman <[email protected]>
| Newsgroups | gmane.comp.gnu.utils |
|---|---|
| Message-ID | <[email protected]> |
On Mon, Jun 30, 2008 at 03:12:29AM -0700, parag wrote:
> hi All,
> I tried searching for the below mentioned variable
>
> ${DASHE:-0}
>
> What does it do?
It's in the bash manpage under Parameter Expansion:
${parameter:-word}
Use Default Values. If parameter is unset or null, the
expansion of word is substituted. Otherwise, the
value of parameter is substituted.