62 lines
2.2 KiB
Plaintext
62 lines
2.2 KiB
Plaintext
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# do all of these in subshells since it's supposed to error out
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# (set argv0 to "SHELL" to avoid "/path/to/shell: blah" in error messages)
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# first try some invalid patterns
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#"$THIS_SH" -c 'echo ${?}' SHELL -- this is valid as it's the same as $?
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"$THIS_SH" -c 'echo ${:?}' SHELL
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# then some funky ones
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# note: bash prints 1 - treats it as "length of $#"
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"$THIS_SH" -c 'echo ${#?}' SHELL
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# bash prints 0
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"$THIS_SH" -c 'echo ${#:?}' SHELL
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# now some valid ones
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export msg_unset="unset!"
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export msg_null_or_unset="null or unset!"
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echo ====
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"$THIS_SH" -c 'set --; echo _$1' SHELL
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"$THIS_SH" -c 'set --; echo _${1?}' SHELL
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"$THIS_SH" -c 'set --; echo _${1:?}' SHELL
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"$THIS_SH" -c 'set --; echo _${1?message1}' SHELL
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"$THIS_SH" -c 'set --; echo _${1:?message1}' SHELL
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"$THIS_SH" -c 'set --; echo _${1?$msg_unset}' SHELL
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"$THIS_SH" -c 'set --; echo _${1:?$msg_null_or_unset}' SHELL
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echo ====
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"$THIS_SH" -c 'set -- aaaa; echo _$1' SHELL
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"$THIS_SH" -c 'set -- aaaa; echo _${1?}' SHELL
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"$THIS_SH" -c 'set -- aaaa; echo _${1:?}' SHELL
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"$THIS_SH" -c 'set -- aaaa; echo _${1?word}' SHELL
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"$THIS_SH" -c 'set -- aaaa; echo _${1:?word}' SHELL
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"$THIS_SH" -c 'set -- aaaa; echo _${1?$msg_unset}' SHELL
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"$THIS_SH" -c 'set -- aaaa; echo _${1:?$msg_null_or_unset}' SHELL
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echo ====
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"$THIS_SH" -c 'unset f; echo _$f' SHELL
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"$THIS_SH" -c 'unset f; echo _${f?}' SHELL
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"$THIS_SH" -c 'unset f; echo _${f:?}' SHELL
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"$THIS_SH" -c 'unset f; echo _${f?message3}' SHELL
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"$THIS_SH" -c 'unset f; echo _${f:?message3}' SHELL
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"$THIS_SH" -c 'unset f; echo _${f?$msg_unset}' SHELL
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"$THIS_SH" -c 'unset f; echo _${f:?$msg_null_or_unset}' SHELL
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echo ====
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"$THIS_SH" -c 'f=; echo _$f' SHELL
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"$THIS_SH" -c 'f=; echo _${f?}' SHELL
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"$THIS_SH" -c 'f=; echo _${f:?}' SHELL
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"$THIS_SH" -c 'f=; echo _${f?word}' SHELL
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"$THIS_SH" -c 'f=; echo _${f:?message4}' SHELL
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"$THIS_SH" -c 'f=; echo _${f?$msg_unset}' SHELL
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"$THIS_SH" -c 'f=; echo _${f:?$msg_null_or_unset}' SHELL
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echo ====
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"$THIS_SH" -c 'f=fff; echo _$f' SHELL
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"$THIS_SH" -c 'f=fff; echo _${f?}' SHELL
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"$THIS_SH" -c 'f=fff; echo _${f:?}' SHELL
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"$THIS_SH" -c 'f=fff; echo _${f?word}' SHELL
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"$THIS_SH" -c 'f=fff; echo _${f:?word}' SHELL
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"$THIS_SH" -c 'f=fff; echo _${f?$msg_unset}' SHELL
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"$THIS_SH" -c 'f=fff; echo _${f:?$msg_null_or_unset}' SHELL
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