Shell pushd/popd

  #!/bin/bash

pushd /sbin

mkdir -p drbd-commands
for n in drbdadm drbdsetup drbdmeta ; do
test -f drbd-commands/$n || mv $n drbd-commands
if test \! -f $n ; then
cat > $n << EOF
#!/bin/bash
logger "DRBD DEBUG: \$0 \$@"
exec /sbin/drbd-commands/$n "\$@"
EOF
chmod 755 $n
fi
done

popd