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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 15:38:56 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 15:38:56 +0000
commit6c20c8ed2cb9ab69a1a57ccb2b9b79969a808321 (patch)
treef63ce19d57fad3ac4a15bc26dbfbfa2b834111b5 /tests/dollar-at-star5.sub
parentInitial commit. (diff)
downloadbash-6c20c8ed2cb9ab69a1a57ccb2b9b79969a808321.tar.xz
bash-6c20c8ed2cb9ab69a1a57ccb2b9b79969a808321.zip
Adding upstream version 5.2.15.upstream/5.2.15upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/dollar-at-star5.sub')
-rw-r--r--tests/dollar-at-star5.sub66
1 files changed, 66 insertions, 0 deletions
diff --git a/tests/dollar-at-star5.sub b/tests/dollar-at-star5.sub
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+# 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/>.
+#
+# testing various combinations of quoted and unquoted expansions of $@, and
+# whether they generate empty words after expansion
+
+n() { echo "$#"; }
+
+n "$@"
+n ${foo-"$@"}
+n "${foo-$@}"
+
+n ""$@
+n """$@"
+
+n $(true)$@
+n "$(true)$@"
+n "$(true)$@"
+n "$(true)""$@"
+
+n $xxx$@
+n "$xxx$@"
+n $xxx"$@"
+n "$xxx""$@"
+
+recho $xxx"$@"
+echo after 1
+
+recho "$xxx$@"
+echo after 2
+
+recho ${foo:-$xxx"$@"}
+echo after 3
+
+# this is where these things start to differ
+echo same as 1
+recho "${foo:-$xxx"$@"}"
+echo same as 2
+recho "${foo:-$xxx$@}"
+
+echo null fields
+recho ""$@
+recho """$@"
+
+echo null fields in rhs
+echo null string with unquoted '$@'
+recho ${foo:-""$@}
+echo null string with quoted '$@'
+recho ${foo:-"""$@"}
+
+echo assignment
+recho "${foo=$@}"
+echo variable
+recho "$foo"
+echo dollar-at
+recho "${@}"