Bash Shell Parameter Expansion

[tolugboji]

‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐

On Saturday, October 9th, 2021 at 1:51 PM, Reuti <reuti@staff.uni-marburg.de> 
wrote:

> > Am 09.10.2021 um 15:43 schrieb tolugboji via help-bash@gnu.org:
> >
> > What is wrong with tho following bash function?
> >
> > parade-parexpan ()
> >
> > {
> >
> > ${param:="Hilbert Transform"}
>
> This will be executed after parameter expansion. You need a null-command:
>
> : ${param:="Hilbert Transform"}
>
> -- Reuti


Thank you so very much Reuti

> > echo "$param"
> >
> > }
> >
> > I keep getting
> >
> > Hilbert: command not found
> >
> > Hilbert Transform