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Diffstat (limited to 'tests/new-exp10.sub')
-rw-r--r-- | tests/new-exp10.sub | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/tests/new-exp10.sub b/tests/new-exp10.sub new file mode 100644 index 0000000..5b199d4 --- /dev/null +++ b/tests/new-exp10.sub @@ -0,0 +1,118 @@ +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +# +# new framework for parameter transformations, post bash-4.3 + +printf "<%s>" "${x@Q}" ; echo +printf "<%s>" "${x@E}" ; echo +printf "<%s>" "${x@P}" ; echo +printf "<%s>" "${x@A}" ; echo + +x="ab 'cd' ef" +printf "<%s> " "${x@Q}" ; echo + +# this needs to be run in a subshell because invalid transformation operators +# are now treated as substitution errors, fatal in non-interactive shells +${THIS_SH} -c 'x=abcdef ; printf "<%s>" "${x@C}"' bash + +# if unquoted, normal word splitting happens +set -- ab 'cd ef' '' gh +printf "<%s> " "${@@Q}" ; echo +printf "<%s> " "${*@Q}" ; echo +printf "<%s> " ${@@Q} ; echo +printf "<%s> " ${*@Q} ; echo + +y[0]=4 +y[1]='ab cd' + +printf "<%s> " "${y[1]@Q}" ; echo +printf "<%s> " "${y[@]@Q}" ; echo # mksh doesn't like @ or * or arrays subscripted with them + +printf "<%s> " "${z@Q}" ; echo # empty string? + +recho ${z@Q} # this disappears + +# +HOST=host +SHELL_LEVEL=2 +NPS1='\[\]${HOST}($SHELL_LEVEL)[\v]\$ ' + +recho "${NPS1@P}" + +# +D=' \t\n' +printf "<%s>" "${D@E}" ; echo +printf "<%s>" "${D@Q}" ; echo + +E=$' \t\n' +printf "<%s>" "${E@E}" ; echo +printf "<%s>" "${E@Q}" ; echo + +declare x +declare -r x="ab 'cd' ef" +printf "%s" "${x@A}" ; echo + +set -- ab 'cd ef' '' gh +printf "%s " "${@@A}" ; echo + +A=( "$@" ) +printf "%s " "${A[@]@A}" ; echo +B=() +printf "%s " "${B[@]@A}" ; echo + +unset A +declare -A A +A=( [one]=1 [two]='b c' [three]='' [four]=de ) +printf "%s " "${A[@]@A}" ; echo + +unset X +declare X +declare -r X="ab 'cd' ef" +printf "%s" "${X@a}" ; echo + +set -- 1 2 3 4 + +unset A +A=( "$@" ) +printf "%s " "${A@a}" ; echo + +unset A +declare -A A +A=( [one]=1 [two]='b c' [three]='' [four]=de ) +printf "%s " "${A@a}" ; echo + +declare -ir Y=0 +printf "%s" "${Y@a}" ; echo + +# make sure we still handle ${#@} and ${@} as posix requires +set -- a b c d e +echo ${@} +echo ${#@} +echo a${#@}b + +# new feature in bash-5.0: display attributes of even unset variables +unset -v foo + +declare -i foo +echo ${foo@a} + +declare -p foo + +unset foo +declare -A foo +echo ${foo@a} + +declare -p foo + +V=42 +echo ${V@} # error |