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