Something
$ ls
XYZZY
$ halcmd show sig
Signals:
Type Value Name (linked to)
float 0 Xa
float 0 Xb
float 0 Ya
float 0 Yb
$ halcmd show sig X* # Command actually invoked: halcmd show sig XYZZY
Signals:
Type Value Name (linked to)
$ halcmd show sig Y*
Signals:
Type Value Name (linked to)
float 0 Ya
float 0 Yb