23 lines
454 B
Plaintext
23 lines
454 B
Plaintext
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# first try some invalid patterns (do in subshell due to parsing error)
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hush -c 'echo ${-}'
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hush -c 'echo ${:-}'
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# now some funky ones
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echo _${#-} _${#:-}
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# now some valid ones
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set --
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echo _$1 _${1-} _${1:-} _${1-word} _${1:-word}
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set -- aaaa
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echo _$1 _${1-} _${1:-} _${1-word} _${1:-word}
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unset f
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echo _$f _${f-} _${f:-} _${f-word} _${f:-word}
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f=
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echo _$f _${f-} _${f:-} _${f-word} _${f:-word}
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f=fff
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echo _$f _${f-} _${f:-} _${f-word} _${f:-word}
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