| # 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) |
| "$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} |
| |
| set -- |
| set -- "${1-}"; echo 1:$# |
| set -- |
| set -- ${1-}; echo 0:$# |
