From 772f20abb0a3a0979c440114bf3a1cff5b3cef03 Mon Sep 17 00:00:00 2001
From: cvpcs <root@cvpcs.org>
Date: Wed, 2 Jun 2010 11:02:31 -0500
Subject: initial import of bash 4.1

---
 examples/scripts/precedence | 75 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100755 examples/scripts/precedence

(limited to 'examples/scripts/precedence')

diff --git a/examples/scripts/precedence b/examples/scripts/precedence
new file mode 100755
index 0000000..9bbdb97
--- /dev/null
+++ b/examples/scripts/precedence
@@ -0,0 +1,75 @@
+# @(#)precedence_test 1.0 91/07/24 Maarten Litmaath
+# test of relative precedences for `&&' and `||' operators
+
+echo "\`Say' echos its argument. Its return value is of no interest."
+case `echo -n` in
+  '') Say () { echo -n "$*" ; } ;;
+   *) Say () { echo "$*\c" ; } ;;
+esac
+
+echo "\`Truth' echos its argument and returns a TRUE result."
+Truth () {
+  Say $1;
+  return 0;
+}
+
+echo "\`False' echos its argument and returns a FALSE result."
+False () {
+  Say $1;
+  return 1;
+}
+
+echo ""
+
+cmd1='$open $test1 && $test2 $close || $test3'
+cmd2='$test1 || $open $test2 && $test3 $close'
+
+grouping_sh=
+grouping_C='( )'
+
+test3='Say 3'
+
+for i in 1 2
+do
+   eval proto=\$cmd$i
+
+   for test1 in 'Truth 1' 'False 1'
+   do
+      for test2 in 'Truth 2' 'False 2'
+      do
+	 for precedence in sh C
+	 do
+	    eval set x \$grouping_$precedence
+	    shift
+	    open=${1-' '}
+	    close=${2-' '}
+	    eval cmd=\""$proto"\"
+	    Say "$cmd   output="
+	    output=`eval "$cmd"`
+	    Say "$output"
+	    read correct || { echo 'Input fubar.  Abort.' >&2; exit 1; }
+	    test "X$output" = "X$correct" || echo "   correct=$correct"
+	    echo ''
+	 done
+
+	 echo ''
+      done
+   done
+done << EOF
+12
+12
+123
+123
+13
+13
+13
+13
+13
+1
+13
+1
+123
+123
+12
+12
+EOF
-- 
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