tests: use more POSIX shell features our test scripts

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

diff --git a/t/substtarg.sh b/t/substtarg.sh
index 2e695f8..5fd4f82 100755 (executable)
--- a/t/substtarg.sh
+++ b/t/substtarg.sh
@@ -46,5 +46,6 @@ $ACLOCAL
 AUTOMAKE_fails
 grep 'overrid.*libfake@SUBST@.a' stderr
 $AUTOMAKE -Wno-override
-num=`grep '^libfake@SUBST@.a:' Makefile.in | wc -l`
-test $num -eq 1
+test $(grep -c '^libfake@SUBST@.a:' Makefile.in) -eq 1
+
+: