echo 'main(){}' > dummy.c
gcc dummy.c -Wl,--verbose &> dummy.log
-if ! readelf -l a.out | grep 'Requesting program interpreter: /lib/ld-linux.*.so.2' 1> /dev/null 2>&1 ; then
+if ! readelf -l a.out | \
+ grep -q 'Requesting program interpreter: /lib/ld-linux.*.so.2'; then
echo "String 'Requesting program interpreter: /lib/ld-linux.*.so.2' not found"
exit 1
fi