==== run-test_ln ====
mkdir -p links
echo "Hello, world!" >links/source
sh /home/src/regress/bin/ln/test_ln.sh
Comparing ./links/source and ./links/hardlink1
Comparing ./links/source and ./links/symlink1
Comparing ./links/hardlink2 and ./links/source
Comparing ./links/symlink1 and ./links/symlink2
Comparing ./links/symlink1 and ./links/symlink3
Comparing ./links/hardlink3 and ./links/source

==== run-recursive ====
rm -f links/links
ln -s /home/src/regress/bin/ln/obj/links links/links
cd links && cd links && cd links && cd links && cd links && /bin/pwd -P
/home/obj/regress/bin/ln/links