| # do all of these in subshells since it's supposed to error out |
| |
| # first try some invalid patterns |
| #"$THIS_SH" -c 'echo ${?}' -- this is valid as it's the same as $? |
| "$THIS_SH" -c 'echo ${:?}' |
| |
| # then some funky ones |
| # note: bash prints 1 - treats it as "length of $#"? We print 0 |
| "$THIS_SH" -c 'echo ${#?}' |
| # bash prints 0 |
| "$THIS_SH" -c 'echo ${#:?}' |
| |
| # now some valid ones |
| export msg_unset="unset!" |
| export msg_null_or_unset="null or unset!" |
| |
| echo ==== |
| "$THIS_SH" -c 'set --; echo _$1' |
| "$THIS_SH" -c 'set --; echo _${1?}' |
| "$THIS_SH" -c 'set --; echo _${1:?}' |
| "$THIS_SH" -c 'set --; echo _${1?message1}' |
| "$THIS_SH" -c 'set --; echo _${1:?message1}' |
| "$THIS_SH" -c 'set --; echo _${1?$msg_unset}' |
| "$THIS_SH" -c 'set --; echo _${1:?$msg_null_or_unset}' |
| |
| echo ==== |
| "$THIS_SH" -c 'set -- aaaa; echo _$1' |
| "$THIS_SH" -c 'set -- aaaa; echo _${1?}' |
| "$THIS_SH" -c 'set -- aaaa; echo _${1:?}' |
| "$THIS_SH" -c 'set -- aaaa; echo _${1?word}' |
| "$THIS_SH" -c 'set -- aaaa; echo _${1:?word}' |
| "$THIS_SH" -c 'set -- aaaa; echo _${1?$msg_unset}' |
| "$THIS_SH" -c 'set -- aaaa; echo _${1:?$msg_null_or_unset}' |
| |
| echo ==== |
| "$THIS_SH" -c 'unset f; echo _$f' |
| "$THIS_SH" -c 'unset f; echo _${f?}' |
| "$THIS_SH" -c 'unset f; echo _${f:?}' |
| "$THIS_SH" -c 'unset f; echo _${f?message3}' |
| "$THIS_SH" -c 'unset f; echo _${f:?message3}' |
| "$THIS_SH" -c 'unset f; echo _${f?$msg_unset}' |
| "$THIS_SH" -c 'unset f; echo _${f:?$msg_null_or_unset}' |
| |
| echo ==== |
| "$THIS_SH" -c 'f=; echo _$f' |
| "$THIS_SH" -c 'f=; echo _${f?}' |
| "$THIS_SH" -c 'f=; echo _${f:?}' |
| "$THIS_SH" -c 'f=; echo _${f?word}' |
| "$THIS_SH" -c 'f=; echo _${f:?message4}' |
| "$THIS_SH" -c 'f=; echo _${f?$msg_unset}' |
| "$THIS_SH" -c 'f=; echo _${f:?$msg_null_or_unset}' |
| |
| echo ==== |
| "$THIS_SH" -c 'f=fff; echo _$f' |
| "$THIS_SH" -c 'f=fff; echo _${f?}' |
| "$THIS_SH" -c 'f=fff; echo _${f:?}' |
| "$THIS_SH" -c 'f=fff; echo _${f?word}' |
| "$THIS_SH" -c 'f=fff; echo _${f:?word}' |
| "$THIS_SH" -c 'f=fff; echo _${f?$msg_unset}' |
| "$THIS_SH" -c 'f=fff; echo _${f:?$msg_null_or_unset}' |
