Modified to resolve SL4/SL5 incompatibility with readlink -e which is not supported in SL4.
Modified to resolve SL4/SL5 incompatibility with readlink -e which is not supported in SL4.

In addition, the test for success/failure would not work as the readlink was
embedded in a variable assignment which would always return true.
This should work on SL5 and SL4 WNs.

holzman/glideinwms-old,holzman/glideinwms-old,holzman/glideinwms-old