blob: 3b646b142c85f170832f2bd434ec345552183ef1 [file] [log] [blame]
# first try some invalid patterns (do in subshell due to parsing error)
"$THIS_SH" -c 'echo ${+} ; echo moo'
"$THIS_SH" -c 'echo ${:+} ; echo moo'
# now some funky ones. (bash doesn't accept ${#+})
echo _${#+}_ _${#:+}_
# 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}