summaryrefslogtreecommitdiffstats
path: root/tests/appendop2.sub
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--tests/appendop2.sub31
1 files changed, 31 insertions, 0 deletions
diff --git a/tests/appendop2.sub b/tests/appendop2.sub
new file mode 100644
index 0000000..e497beb
--- /dev/null
+++ b/tests/appendop2.sub
@@ -0,0 +1,31 @@
+# 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/>.
+#
+POSIXLY_CORRECT=1
+x=2
+x+=5 eval printf '"$x "'
+echo "$x"
+
+unset x
+typeset -i x=2
+x+=5 eval printf '"$x "'
+echo "$x"
+
+a=1
+a+=4
+echo $a
+
+# idiotically, ksh93 makes these two cases differ (?)
+a+=5 printenv a
+a+=5 eval printf '"$a "'
+echo $a