Server Workstation Differences

There are two comps files in each directory, they have the same group information but differ some other way

[thomas@soms002 comps]$ grep -A1 "<group>" Workstation.xml  |grep "<id>" |cut -d'>' -f2 |cut -d "<" -f1 |sort  >Workstation.groups
[thomas@soms002 comps]$ grep -A1 "<group>" Workstation2.xml  |grep "<id>" |cut -d'>' -f2 |cut -d "<" -f1 |sort  >Workstation2.groups
[thomas@soms002 comps]$ diff Workstation.groups Workstation2.groups 
[thomas@soms002 comps]$ ls -l Workstation*groups
-rw-rw-r--. 1 thomas thomas 3150 Aug 30 09:50 Workstation2.groups
-rw-rw-r--. 1 thomas thomas 3150 Aug 30 09:50 Workstation.groups