9e0adb9b09
function old new delta expand_one_var 2296 2311 +15 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
30 lines
686 B
Plaintext
Executable File
30 lines
686 B
Plaintext
Executable File
# 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)
|
|
# valid in bash and ash (same as $-), not supported in hush (yet?):
|
|
"$THIS_SH" -c 'echo ${-}' SHELL
|
|
"$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 -- ${1-}; echo 0:$#
|