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- # first try some invalid patterns (do in subshell due to parsing error)
- # (set argv0 to "SHELL" to avoid "/path/to/shell: blah" in error messages)
- # valid in bash and ash (same as $-): "$THIS_SH" -c 'echo ${-}' SHELL
- "$THIS_SH" -c 'echo ${:-}' SHELL
- # now some funky ones
- echo _${#-} _${#:-}
- # now some valid ones
- set --
- echo _$1 _${1-} _${1:-} _${1-word} _${1:-word}
- set -- aaaa
- echo _$1 _${1-} _${1:-} _${1-word} _${1:-word}
- unset f
- echo _$f _${f-} _${f:-} _${f-word} _${f:-word}
- f=
- echo _$f _${f-} _${f:-} _${f-word} _${f:-word}
- f=fff
- echo _$f _${f-} _${f:-} _${f-word} _${f:-word}
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