add another option

id-get-groups.sh

@@ -3,13 +3,20 @@
 # Display groups from id
 if [ "$2" = "1" ]; then
   id $1 |tr ',' '\n' |sort -t\( -k 2 |paste - - |column -t
+elif [ "$2" = "2" ]; then
+# nice print user’s allowed login groups without numbers or parens
+# translate comma to newline, sort on field after paren, print without paren and strip trailing paren
+ id $1 |tr ',' '\n' |sort -t\( -k 2 |awk -F\( '{print $2}' |tr -d ')'
 else
+# Default
   id $1 |tr ',' '\n' |tr '(' ' ' |tr ')' ' '|sort -t\( -n -k 2  |column -t
 fi
 
 exit;
 
 
+Example default output:
+
 103       netdev                                  
 108       bluetooth                               
 109       lpadmin                                 
@@ -23,7 +30,7 @@ exit;
 uid=1000  user       gid=1000  user  groups=1000  user
 
 
-Arg $2 = 1 output = compact and fairly easy to read, useful if a lot of groups are attached:
+Arg $2 = 1 output == compact and fairly easy to read, useful if a lot of groups are attached:
 
 100(_lpoperator)                     12(everyone)                                      
 204(_developer)                      250(_analyticsusers)                              
@@ -37,4 +44,22 @@ Arg $2 = 1 output = compact and fairly easy to read, useful if a lot of groups a
 98(_lpadmin)                         uid=501(user)                      gid=20(staff)  groups=20(staff)
 
 
+Arg $2 = 2 output == groups-only:
+
+all_admins_grp
+apache_admin_dev_grp
+apache_admin_eite_grp
+apache_admin_pete_grp
+
+audio
+bluetooth
+cdrom
+user gid=1000 # NOTE it's not perfect, but useful for grepping
+dip
+floppy
+lpadmin
+netdev
+plugdev
+scanner
+video