Many Tcl commands, most notably glob, support filename globbing using the following forms:
Match any single character.
Match zero or more characters.
abc
]Match characters in set
abc
.
a-z
]Match range of characters a
through z
.
c
Match character c
.
a
,
b
,...}Match any of strings a
,
b
, etc.
Home directory (for glob command).
˜user
Match home directory of user
(for
glob command).
For the glob command, a period at the beginning of a file’s name or just after “/” must be matched explicitly and all “/” characters must be matched explicitly.