Unset all MH environment variables that aren't set below.

[mmh] / test / mhpath / test-mhpath

diff --git a/test/mhpath/test-mhpath b/test/mhpath/test-mhpath
index 71ee9ea..54a1a12 100755 (executable)
--- a/test/mhpath/test-mhpath
+++ b/test/mhpath/test-mhpath
@@ -27,13 +27,16 @@ Usage: mhpath [+folder] [msgs] [switches]
   -version
   -help
 EOF
-# The exit status is 1 with -help, so invert it to prevent
-# triggering immediate exit due to set -e.
-! mhpath -help > $actual 2>&1
+# The exit status is 1 with -help, so temporarily disable -e.
+set +e
+mhpath -help > $actual 2>&1
+set -e
 check $expected $actual
 
 # check -version
-if ! mhpath -v | grep '^mhpath --' > /dev/null; then
+if mhpath -v | grep '^mhpath --' > /dev/null; then
+  :
+else
   echo "$0: mhpath -v generated unexpected output" 1>&2
   failed=`expr ${failed:-0} + 1`
 fi