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  1. or download this
    $ echo $SHELL # yes, this is important!
/bin/bash
...
foo1 foo2 foo3
$ echo foo
foo
  2. or download this
    $ echo bar*
bar*
$ perl -e 'print glob("bar*")'
$
  3. or download this
    $ csh
% ls
...
echo: No match.
% perl -e 'print glob("bar*")'
%