Based on Primus Solutions:
Most used general utils
Remove or Add Colons from WWNUtility to add or remove colons from WWPNs.
EMC SYMDEV WWN DecoderDecode the device WWN and derive the array serial number, model and the curresponding symdev name
Cylinders «-» GB ConverterUtility to convert size of devices in cylinders to GB/MB/KB/Bytes and viceversa.
Separate Devices By CommasUtility to seperate a given list of devices with comma.