Update to upstream bash 4.2

This upgrades bash to from 4.1-rc to 4.2-release. See CWRU/changelog for
changes.

Change-Id: I926269c300cf44fa25964b5b375a148fcf11c4b7

1 files changed, 95 insertions, 0 deletions

diff --git a/tests/new-exp8.sub b/tests/new-exp8.sub
new file mode 100644
index 0000000..6cae6ab
--- /dev/null
+++ b/tests/new-exp8.sub
@@ -0,0 +1,95 @@
+pat1='str'
+pat2='[^;]'
+pat3='[[:alnum:]_]'
+pat4='[[:alnum:]][[fu]b'
+pat5='?tr'
+pat6='?tr\'
+pat7='[[:alnum:]]_'
+pat8='*tr'
+
+declare z="start"
+declare NUM=1000
+
+#----------------------------------
+# create a long string with ';'
+#----------------------------------
+for ((i=0; i<$NUM; i++)); do
+    z="$z;string$i"
+done
+
+#z="$z;string;foo"
+
+#------------------------------
+# delete everything except ';'
+#------------------------------
+
+# try different patterns here
+x="${z//$pat1}"
+echo $x
+x="${z//$pat2}"
+echo $x
+x="${z//$pat3}"
+echo $x
+x="${z//$pat4}"
+echo $x
+x="${z//$pat5}"
+echo $x
+x="${z//$pat6}"
+echo $x
+x="${z//$pat7}"
+echo $x
+x="${z//$pat8}"
+echo $x
+
+
+declare z="start"
+declare NUM=1000
+
+#----------------------------------
+# create a long string with ';'
+#----------------------------------
+for ((i=0; i<$NUM; i++)); do
+    z="$z;string$i"
+done
+
+#z="$z;string;foo"
+
+#------------------------------
+# delete everything except ';'
+#------------------------------
+
+# try different patterns here
+x="${z//[^;]}"
+echo $x
+x="${z/#[^;][^;]}"
+echo $x
+x="${z/%[^;][^;]}"
+echo $x
+
+export LANG=C LC_ALL=C LC_CTYPE=C
+
+# try different patterns here
+x="${z//$pat1}"
+echo $x
+x="${z//$pat2}"
+echo $x
+x="${z//$pat3}"
+echo $x
+x="${z//$pat4}"
+echo $x
+x="${z//$pat5}"
+echo $x
+x="${z//$pat6}"
+echo $x
+x="${z//$pat7}"
+echo $x
+x="${z//$pat8}"
+echo $x
+
+# try different patterns here
+x="${z//[^;]}"
+echo $x
+x="${z/#[^;][^;]}"
+echo $x
+x="${z/%[^;][^;]}"
+echo $x