tests: use more POSIX shell features our test scripts

[platform/upstream/automake.git] / t / spy.sh

diff --git a/t/spy.sh b/t/spy.sh
index 0d087a4..dd486ce 100755 (executable)
--- a/t/spy.sh
+++ b/t/spy.sh
@@ -80,18 +80,18 @@ touch b c
 $sleep
 : > a
 $MAKE
-test "`cat a`" = ''
+test x"$(cat a)" = x
 $sleep
 touch b
 $MAKE
-test "`cat a`" = rule1
+test "$(cat a)" = "rule1"
 # Ensure a is strictly newer than b, so HP-UX make does not execute rule2.
 $sleep
 : > a
 $sleep
 touch c
 $MAKE
-test "`cat a`" = rule2
+test "$(cat a)" = "rule2"
 
 # Unfortunately, the following is not portable to FreeBSD/NetBSD/OpenBSD
 # make, see explanation above.