On Wed, Jul 7, 2021, 4:50 PM <[email protected]> wrote: > > Have noticed that parameter expansion with `:` does not work > > > > : ${fltype:-"texi,org"} # alternative to `fltype=` > >
$ unset foo
$ : ${foo:-bar}
$ echo "$foo"
$ : ${foo:=bar}
$ echo "$foo"
bar
The first form is a substitution and the second form is an assignment.
